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A1 noun #2,711 پرکاربردترین 7 دقیقه مطالعه

質量

shitsuryō
تمرین کن مثال‌ها نکات و راهنمایی‌ها 質量 در ۳۰ ثانیه
توضیح 質量 in your Level:
At the A1 level, you don't need to worry about the complex physics of 'mass.' Just think of 質量 (shitsuryō) as a special word for 'amount' or 'weight' used in science class. You might see it in very simple sentences like 'This has mass.' It's a good word to recognize if you are looking at basic science diagrams or labels on certain products. At this stage, just remember that 'shitsu' means quality and 'ryō' means amount. Together, they make a word that sounds very smart! You won't use this word when buying apples at the store, but you might see it in a picture book about the planets. It's the beginning of your journey into technical Japanese.
At the A2 level, you can start to distinguish between 'weight' (omosa) and 'mass' (shitsuryō). You might learn that while your weight changes on the moon, your 質量 stays the same. This is a common topic in basic Japanese science lessons. You can use 質量 in simple sentences to describe objects in a classroom setting. You should also start to notice the kanji. 質 (quality) and 量 (quantity) are both useful characters on their own. Knowing 質量 helps you understand that some words in Japanese are made by combining two related concepts. You might hear this word in a simple news report about a new scientific discovery or a space mission.
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At the B1 level, you should be comfortable using 質量 in technical or academic discussions. You can explain the difference between 質量 and 重量 (weight) using basic Japanese grammar. You will also start to see 質量 used in compound words like 'shitsuryō-hozon' (conservation of mass). This is the level where you might encounter the word in a documentary or a more detailed news article. You should also be aware that 質量 can be used to describe the 'substance' of a piece of work, though you might not use it that way yourself yet. It's a key word for anyone interested in STEM fields or reading technical manuals in Japanese.
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At the B2 level, you can use 質量 metaphorically. You might describe a book, a movie, or a lecture as having 'high 質量.' This means the content was very dense and meaningful. You understand that this word carries more 'weight' (pun intended) than just saying 'content.' You can participate in discussions about physics, engineering, or environmental science where 質量 is a key variable. You are also expected to know related terms like 密度 (density) and 体積 (volume) and how they interact with 質量. Your reading comprehension should include understanding 質量 in the context of economic 'substance' or the 'mass' of data in information technology.
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At the C1 level, you have a nuanced understanding of 質量. You can use it in professional settings to discuss the 'density' of a project's requirements or the 'substance' of a legal argument. You are familiar with its use in advanced scientific literature, such as quantum mechanics or astrophysics, where mass is a complex property. You can appreciate the stylistic choice of an author who uses 質量 to describe the 'heaviness' of a character's silence or the 'mass' of history. You can switch between technical, metaphorical, and idiomatic uses of the word seamlessly. You also understand the historical development of the term in Japanese scientific translation.
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At the C2 level, your mastery of 質量 is equivalent to a highly educated native speaker. You can engage in deep philosophical debates about the nature of mass and energy (E=mc²), using 質量 energy equivalence as a talking point. You can analyze the use of 質量 in classical and modern Japanese literature, noting how it functions as a metaphor for the human condition or the weight of existence. You can write technical papers or deliver academic lectures where 質量 is a central concept, using it with absolute precision. You are also aware of very rare or archaic uses of the kanji combination and can navigate highly specialized jargon in any field where 'mass' or 'substance' is relevant.
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تمرین کن مثال‌ها نکات و راهنمایی‌ها

質量 در ۳۰ ثانیه

  • 質量 (shitsuryō) primarily means 'mass' in physics, representing the constant amount of matter in an object regardless of gravitational forces acting upon it.
  • In creative and professional contexts, it describes the 'density' or 'substance' of work, such as a book with a high mass of information.
  • It is a formal noun and should not be confused with 'omosa' (weight), which is used for everyday measurements like luggage or body weight.
  • The word is composed of the kanji for 'quality' (質) and 'quantity' (量), suggesting a combination of both in a single substantial entity.

The term 質量 (shitsuryō) is a fundamental concept in both physical science and abstract evaluation. At its core, it refers to 'mass'—the intrinsic property of a physical body that represents the amount of matter it contains. Unlike weight, which changes based on gravity, 質量 remains constant regardless of where the object is in the universe. This scientific precision makes it a staple in physics, chemistry, and engineering contexts.

Scientific Definition
The measure of an object's resistance to acceleration (inertial mass) or the strength of its mutual gravitational attraction with other bodies.
Metaphorical Definition
The 'density' or 'depth' of information, content, or work. When a book or a movie has high 'shitsuryō', it means it is packed with meaningful substance.

「この物質の質量を測定してください。」 (Please measure the mass of this substance.)

In a broader sense, Japanese speakers use 質量 to describe the 'heaviness' of a creative work. For instance, a 1000-page novel isn't just physically heavy; it has a high 質量 of information. This dual nature—one strictly mathematical and the other qualitatively descriptive—is what makes the word versatile. In modern internet slang or media reviews, you might hear people talk about the 'volume and quality' (質と量) being combined into this single word to express that something is both large in scale and high in quality.

「情報の質量が圧倒的だ。」 (The density/mass of information is overwhelming.)

Kanji Breakdown: 質
Quality, substance, or nature. It represents the 'what' of the object.
Kanji Breakdown: 量
Quantity, amount, or volume. It represents the 'how much' of the object.

Combining 'quality' and 'quantity' into one word creates a powerful noun that suggests a 'substantial amount.' In a classroom setting, students learn that 質量 is measured in kilograms (kg) or grams (g). In a business setting, a manager might praise a report for its 質量, implying it wasn't just long, but every page was filled with valuable data. This nuance is crucial for advanced learners to grasp.

「月面では重さは変わるが、質量は変わらない。」 (On the moon, weight changes, but mass does not.)

「このアニメは作画の質量がすごい。」 (The visual density/quality of this anime is amazing.)

Using 質量 correctly requires understanding the context—are you in a lab or a library? In scientific contexts, it functions as a technical parameter. You 'measure' (測定する - sokutei suru) or 'calculate' (計算する - keisan suru) mass. It is almost always paired with units like グラム (grams) or トン (tons). It is important not to confuse it with 'volume' (体積 - taiseki) or 'density' (密度 - mitsudo), though they are related in physics formulas (Mass = Density × Volume).

Common Verb Pairings
質量を測る (Measure mass), 質量が増える (Mass increases), 質量を保つ (Maintain mass).

When moving into metaphorical usage, 質量 describes the 'richness' of an experience or a piece of media. For example, if you watch a movie that feels like it should have been five hours long because so much happened, you can say it had 'high 質量'. In this sense, it is often used with adjectives like '高い' (high), '大きい' (large), or '圧倒的な' (overwhelming). This usage is particularly common in professional critiques of art, literature, and software development.

「彼の議論には質量が伴っている。」 (His arguments are backed by substance.)

Grammatically, 質量 is a simple noun. It doesn't have a suru-verb form (you don't say 'shitsuryō-suru'). Instead, you use it as the subject or object of a sentence. In academic writing, it often appears in compound words like 質量分析 (mass spectrometry) or 質量欠損 (mass defect). For learners, the biggest hurdle is knowing when to use 質量 instead of 重さ (omosa). Use 質量 when the focus is on the object's essence or in a formal/scientific setting. Use 重さ for everyday things like your luggage or your body weight.

You will encounter 質量 in several distinct environments. The most common is the Japanese education system. From elementary school science (理科 - rika) to university-level physics (物理 - butsuri), the word is ubiquitous. Teachers use it to explain the laws of motion and gravity. If you are watching an educational program on NHK or reading a science textbook, 質量 will appear in almost every chapter involving matter.

Beyond the classroom, 質量 is a favorite word in the tech and gaming industry. Game reviewers often talk about the 'content mass' (コンテンツの質量) of an open-world game. If a game has hundreds of quests and deep lore, it is praised for its high 質量. Similarly, in the manufacturing industry, engineers discuss the 質量 of parts to ensure fuel efficiency in cars or stability in buildings. If you work in a technical field in Japan, this word is part of your daily vocabulary.

「この新素材は、低い質量で高い強度を実現した。」 (This new material achieved high strength with low mass.)

In science fiction anime and manga, 質量 is often used to sound more 'hard sci-fi.' Characters might talk about 'mass drivers' (質量加速器) or 'mass energy' (質量エネルギー). It adds a layer of realism and technical depth to the dialogue. If you enjoy series like 'Gundam' or 'Interstellar' (Japanese dub), pay attention to how they use this word to describe spaceships and celestial bodies. It sounds much more professional and 'cool' than just saying 'heavy things.'

The most frequent mistake learners make is using 質量 (shitsuryō) when they actually mean 重さ (omosa). While they are related, they are not interchangeable in formal contexts. If you are at the airport and the staff asks about your bag, saying '質量は何ですか？' (What is the mass?) would sound very strange and overly scientific. You should use '重さ' or '重量' (jūryō) instead.

Mistake 1: Everyday Weight
Don't use 質量 for body weight. '私の質量は60キロです' sounds like you are an alien or a robot. Use '体重' (taijū).
Mistake 2: Confusing with Volume
質量 is not 'size'. A large balloon has a large volume (体積) but a very small mass (質量).

Another mistake is confusing 質量 with just 'quality' (質 - shitsu). Because 質量 starts with the kanji for quality, some learners assume it just means 'high quality.' However, 質量 always implies a sense of 'amount' or 'substance.' If you want to say something is just 'good quality,' use '品質' (hinshitsu) or just '質'. Using 質量 implies that there is a lot of that quality packed into the object.

To truly master 質量, you must understand its neighbors in the Japanese vocabulary. The most closely related word is 重量 (jūryō). While 質量 is mass, 重量 is weight (the force exerted by gravity). In commercial shipping and logistics, 重量 is the standard term. If you are shipping a package, you look at the 'gross weight' (総重量).

密度 (Mitsudo)
Density. This is mass divided by volume. It describes how tightly packed the mass is.
体積 (Taiseki)
Volume. The amount of space an object occupies. A large object can have a small mass if its density is low.
分量 (Bunryō)
Quantity or portion. Usually used for ingredients in cooking or the amount of medicine.

In the metaphorical sense, 内容 (naiyō) (content) and 実体 (jittai) (substance/reality) are similar. If a speech lacks 質量, you could also say it lacks 'naiyō' or 'jittai.' However, 質量 specifically emphasizes the 'heaviness' and 'impact' of that content. Choosing 質量 over content suggests that the information is not just present, but it carries significant weight and importance.

چقدر رسمی است؟

سطح دشواری

خواندن 3/5

گرامر لازم

A と B の違い (Difference between A and B)

～によって (By means of / Due to)

～とともに (Along with / Both A and B)

～を～と呼ぶ (To call A B)

～に基づき (Based on)

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مثال‌ها بر اساس سطح

1

これはしつりょうがあります。

This has mass.

Basic noun + desu/arimasu.

2

しつりょうをはかります。

I measure the mass.

Object marker 'o' + verb.

3

しつりょうは10グラムです。

The mass is 10 grams.

Topic marker 'wa' + measurement.

4

しつりょうと おもさは ちがいます。

Mass and weight are different.

A to B wa chigaimasu (A and B are different).

5

大きいですが、しつりょうは小さいです。

It is big, but the mass is small.

Adjective + ga (but) + noun.

6

しつりょうを おしえてください。

Please tell me the mass.

Te-form + kudasai (request).

7

このボールのしつりょうは？

What is the mass of this ball?

Possessive 'no' + question.

8

しつりょうを かきます。

I write the mass.

Simple action verb.

1

月でも質量は変わりません。

Mass does not change even on the moon.

Mo (even/also) + negative verb.

2

理科の授業で質量を習いました。

I learned about mass in science class.

De (location) + past tense verb.

3

この箱の質量を測定しましょう。

Let's measure the mass of this box.

Mashō (let's).

4

質量はキログラムで表します。

Mass is expressed in kilograms.

De (by means of) + verb.

5

どちらの質量が重いですか？

Which mass is heavier?

Dochira (which) + ga (subject marker).

6

質量が一定の物体。

An object with a constant mass.

Noun modification.

7

質量を計算するのは難しいです。

Calculating mass is difficult.

No wa (nominalizing a verb phrase).

8

質量保存の法則を知っていますか？

Do you know the law of conservation of mass?

Shitte imasu ka (Do you know).

1

物体の質量は、その慣性の大きさを表します。

The mass of an object represents the magnitude of its inertia.

Technical definition structure.

2

この実験では、質量の変化を観察します。

In this experiment, we observe the change in mass.

De wa (in this...) + object marker.

3

質量が大きければ大きいほど、動かすのが大変です。

The larger the mass, the harder it is to move.

Ba... hodo (the more... the more).

4

重力と質量の間には密接な関係があります。

There is a close relationship between gravity and mass.

A to B no aida ni wa (between A and B).

5

質量を無視して計算してはいけません。

Te wa ikemasen (must not).

6

精密な天秤で質量を測る。

Measure the mass with a precision balance.

Instrumental 'de'.

7

質量がゼロの粒子も存在します。

Particles with zero mass also exist.

Existence verb 'sonzai suru'.

8

太陽の質量は地球の約33万倍です。

The sun's mass is about 330,000 times that of the Earth.

Number + bai (times).

1

この小説は、情報の質量が非常に高い。

This novel has a very high density of information.

Metaphorical use of mass.

2

動画の質量を上げると、ファイルサイズも大きくなる。

Increasing the 'mass' (quality/bitrate) of a video increases the file size.

Conditional 'to'.

3

彼の言葉には、経験に裏打ちされた質量がある。

His words have a substance backed by experience.

Passive-based modifier 'ura-uchisareta'.

4

質量ともに優れた作品を世に送り出す。

To release a work that is excellent in both quality and quantity.

Idiomatic 'shitsuryō tomo ni'.

5

このゲームは、コンテンツの質量が圧倒的だ。

The volume of content in this game is overwhelming.

Adjective 'attōteki'.

6

質量分析計を用いて成分を特定する。

Identify components using a mass spectrometer.

Te-form used for means.

7

デザインの質量を損なわないように注意する。

Be careful not to compromise the 'substance' of the design.

Yō ni (so that/in order to).

8

質量が集中している中心部を狙う。

Aim for the center where the mass is concentrated.

Relative clause.

1

質量欠損のエネルギーが原子力の源である。

The energy from mass defect is the source of nuclear power.

Advanced scientific terminology.

2

その議論は、論理的な質量に欠けている。

That argument lacks logical substance.

Ni kakete iru (to lack).

3

宇宙の大部分は、未知の質量で構成されている。

Most of the universe is composed of unknown mass (dark matter).

Passive 'kōsei sarete iru'.

4

静止質量と相対論的質量の違いを論じる。

Discuss the difference between rest mass and relativistic mass.

Formal verb 'ronjiru'.

5

この建築物は、視覚的な質量が計算し尽くされている。

The visual mass of this building is perfectly calculated.

Compound verb 'keisan-shitsukusu'.

6

情報の質量が過剰になり、処理が追いつかない。

The mass of information has become excessive, and processing cannot keep up.

Causal connection.

7

質量を持たない光子が、なぜ重力の影響を受けるのか。

Why are photons, which have no mass, affected by gravity?

Relative clause + question.

8

歴史の質量を感じさせる重厚な佇まい。

A dignified appearance that makes one feel the weight of history.

Causative-emotive 'kanjisaseru'.

1

質量エネルギー等価性の原理は、現代物理学の根幹である。

The principle of mass-energy equivalence is the foundation of modern physics.

Formal academic 'de aru'.

2

存在の質量を問う、深遠な哲学的な問い。

A profound philosophical question that asks about the mass (substance) of existence.

Abstract noun usage.

3

ヒッグス場との相互作用によって質量が獲得される。

Mass is acquired through interaction with the Higgs field.

Ni yotte (by means of/due to).

4

言語の質量が、沈黙の深さを規定する。

The 'mass' of language defines the depth of silence.

Literary/Poetic structure.

5

ブラックホールの特異点では、質量が無限大に収束する。

At the singularity of a black hole, mass converges to infinity.

Mathematical 'shūsoku suru'.

6

この詩集は、一語一語に圧倒的な質量が宿っている。

In this collection of poems, an overwhelming substance dwells in every single word.

Verb 'yadoru' (to dwell/inhabit).

7

慣性質量と重力質量の等価性は、一般相対性理論の出発点だ。

The equivalence of inertial mass and gravitational mass is the starting point of general relativity.

Technical compound nouns.

8

経済的な質量が、政治的な影響力へと転化する。

Economic substance (mass) is transformed into political influence.

Verb 'tenka suru' (to transform).

متضادها

無 空虚

ترکیب‌های رایج

質量を測る (measure mass)
質量が大きい (large mass)
質量保存 (conservation of mass)
情報の質量 (mass of information)
圧倒的な質量 (overwhelming mass)
質量分析 (mass analysis)
質量欠損 (mass defect)
質量中心 (center of mass)
質量ともに (in both quality and quantity)
質量を増やす (increase mass)

عبارات رایج

質量ともに優れている (Excellent in both quality and quantity)
圧倒的な質量のコンテンツ (Content with overwhelming substance)
質量保存の法則 (Law of conservation of mass)
質量エネルギー等価性 (Mass-energy equivalence)
質量が伴わない (Lacking substance)
質量の大きい星 (A high-mass star)
質量を無視する (Ignore the mass)
質量を感じる (Feel the weight/substance)
質量を測定する (Measure the mass)
質量が一定である (Mass is constant)

اغلب اشتباه گرفته می‌شود با

質量 vs 重量 (jūryō) - Weight (force)

質量 vs 体積 (taiseki) - Volume (space)

質量 vs 品質 (hinshitsu) - Quality (good/bad)

اصطلاحات و عبارات

"質量ともに (In every respect - quality and quantity)"
"言葉に質量がある (Words have weight/gravitas)"
"存在の質量 (The weight of one's existence)"
"歴史の質量 (The weight of history)"
"思考の質量 (The depth/density of thought)"
"沈黙の質量 (The heaviness of silence)"
"情報の質量に溺れる (To drown in the mass of information)"
"質量を削ぎ落とす (To strip away the mass/excess)"
"質量を詰め込む (To pack in substance)"
"質量が物を言う (Mass/substance speaks for itself)"

به‌راحتی اشتباه گرفته می‌شود

質量 vs 重量

Weight depends on gravity; mass does not.

質量 vs 分量

Used for cooking or portions, not physics.

質量 vs 容量

Capacity (how much a container holds).

質量 vs 数量

Number of items.

質量 vs 音量

Sound volume.

الگوهای جمله‌سازی

خانواده کلمه

مرتبط

品質 (hinshitsu) - quality
数量 (sūryō) - quantity
本質 (honshitsu) - essence
重量 (jūryō) - weight
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نحوه استفاده

kanji

質 (Quality) + 量 (Quantity) = Mass.

scientific

Mass is constant; weight is variable.

metaphorical

High mass = High quality + High quantity.

اشتباهات رایج
  • Using 質量 instead of 体重 for personal weight.
  • Confusing 質量 with 質 (quality) only.
  • Using 質量 instead of 体積 (volume) for size.
  • Pronouncing it as 'shitsuryo' without the long 'ō'.
  • Using it in casual shopping contexts.

نکات

Science First

Always use this word in physics or chemistry contexts.

Deep Content

Use it to describe a book that is very 'dense' with information.

Kanji Logic

Remember Quality + Quantity = Mass.

No Body Weight

Never say 'My shitsuryō is 70kg'.

Business Context

Use it to praise a substantial and well-researched report.

Particle Pair

Often used with 'の' (e.g., 物質の質量).

News Reports

Listen for it in space exploration news.

Technical Writing

Essential for any technical or scientific paper.

Mass vs Weight

Keep the distinction clear in your mind.

Gaming Slang

Look for it in reviews of large open-world games.

حفظ کنید

ریشه کلمه

Sino-Japanese (Kango)

بافت فرهنگی

Frequently used by 'Otaku' and critics to describe high-budget or deep-lore anime/games.

Used to describe the 'substance' of proposals or data sets.

A core concept in the Japanese national curriculum for science.

تمرین در زندگی واقعی

موقعیت‌های واقعی

شروع‌کننده‌های مکالمه

"この映画、情報の質量がすごかったですね？ (This movie had a huge mass of information, didn't it?)"

"質量と重量の違いを説明できますか？ (Can you explain the difference between mass and weight?)"

"最近のゲームは質量が増えすぎていませんか？ (Don't recent games have too much content mass?)"

"この素材の質量はどれくらいですか？ (How much is the mass of this material?)"

"質量保存の法則って、日常生活で感じますか？ (Do you feel the law of conservation of mass in daily life?)"

موضوعات نگارش

今日学んだ「質量」という言葉を使って、好きな本を説明してください。

質量と重量の違いについて、日本語で短い作文を書いてみましょう。

あなたの人生で、最も「質量」を感じた経験は何ですか？

情報の質量が多すぎると感じるとき、どうしますか？

科学の授業で「質量」について習った時のことを思い出して書いてください。

سوالات متداول

10 سوال

質量 (mass) is the amount of matter and is constant. 重さ (weight) is the force of gravity and changes.

No, use 体重 (taijū) for body weight.

It is common in science, tech, and formal reviews, but rare in casual daily life.

It is written as 質量 (Quality + Quantity).

Usually grams (g) or kilograms (kg).

Not exactly. It means 'substantial amount of quality/content'.

No, it is only a noun. You use it with verbs like 測定する (measure).

It is the Law of Conservation of Mass.

To provide a technical or realistic feel to sci-fi settings.

Yes, to describe the depth and volume of data or reports.

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خودت رو بسنج 178 سوال

/ 178 درست

نمره کامل!

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محتوای مرتبط

واژه‌های بیشتر Science

吸収

A1

عمل جذب کردن یا مکیدن چیزی، مانند مایع، نور یا دانش. این کلمه هم فرآیندهای فیزیکی و هم استعاره‌ای را توصیف می‌کند.

分析

B1

تجزیه و تحلیل داده ها روندهای غیرمنتظره ای را نشان داد.

原子

A1

اتم واحد اصلی سازنده تمام مواد است. این کوچکترین واحد یک عنصر شیمیایی است.

引力

A1

این نیروی فیزیکی است که اشیاء را به سمت یکدیگر می کشد. همچنین برای توصیف یک جذابیت قدرتمند استفاده می شود.

細菌

A1

موجودات تک‌سلولی میکروسکوپی که در همه جا یافت می‌شوند. برخی بیماری‌زا و بسیاری مفید هستند.

繁殖

A1

تولید مثل یا تکثیر حیوانات، گیاهان یا میکروارگانیسم‌ها. این اصطلاح برای انسان‌ها استفاده نمی‌شود.

炭素

A1

کربن یک عنصر شیمیایی است که پایه و اساس زندگی محسوب می‌شود. در موادی مانند زغال و الماس یافت می‌شود.

触媒

A1

کاتالیزور. ماده‌ای که واکنش شیمیایی را تسریع می‌کند، یا شخص/چیزی که باعث تغییر سریع می‌شود.

塩素

A1

کلر یک عنصر شیمیایی است که برای ضدعفونی کردن آب و ساختن سفیدکننده استفاده می‌شود.

解明

A1

روشن‌سازی، کشف. عمل حل یک معما یا روشن کردن یک مشکل پیچیده.

مفید بود؟

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