To measure something precisely using instruments or scientific methods.
Word in 30 Seconds
- To determine the size or amount using tools.
- Commonly used in scientific and technical contexts.
- Implies precision and objective numerical data.
Overview
- 1概要：測定するとは、特定の基準や単位を用いて、対象の物理的な量や性質を客観的な数値として把握する行為です。単に「測る」よりも硬い表現であり、科学、工学、医療、ビジネスなどの文脈で好まれます。2) 使用パターン：基本的には「Aを測定する」という形で用いられます。対象には、体温、血圧、気温、距離、時間、性能など多岐にわたる項目が含まれます。3) 一般的な文脈：実験室でのデータ収集、健康診断でのバイタルチェック、製品の品質管理、建設現場での測量など、正確さが求められる場面で頻繁に使用されます。4) 類似語との比較：「測る」は最も一般的で広範な意味を持ち、重さや長さなど日常的な動作にも使われます。「計る」は時間や回数、見当をつける際に使われます。「量る」は重さや容積を測る際に使われます。「測定する」は、これらの中で最も専門的で、精密な計測機器を用いた厳密なプロセスを暗示します。
Examples
血圧を測定する。
everydayMeasure blood pressure.
正確に時間を測定する必要がある。
formalIt is necessary to measure the time accurately.
放射線量を測定した。
academicMeasured the radiation level.
Common Collocations
Common Phrases
測定結果
Measurement results
測定機器
Measuring instrument
測定誤差
Measurement error
Often Confused With
General term for measuring length, weight, etc. Less formal than 測定する.
Often used for measuring time or estimating quantities. Not for physical dimensions.
Grammar Patterns
How to Use It
Usage Notes
Use '測定する' in academic, technical, or medical settings. It implies the use of a tool or instrument. Avoid it in very casual conversation about simple household tasks.
Common Mistakes
People often use it for simple estimation. Remember that '測定' requires an actual measurement process. Do not confuse it with '測量' which is specific to land.
Tips
Use for formal and scientific contexts
Choose '測定する' when you are writing reports or conducting experiments. It adds a layer of professional accuracy to your language.
Avoid in casual daily conversations
Do not say 'I am measuring my weight' as '測定する' in casual talk. Use '量る' for daily life activities.
Precision in Japanese culture
Japanese culture values precision and quality control. This word reflects that focus on exact data in industrial and academic settings.
Word Origin
Derived from Kanji: 測 (measure) and 定 (fix/decide). Combined, it means to determine a value through measurement.
Cultural Context
In Japan, precision in manufacturing (Monozukuri) is highly valued. '測定' is a core term in quality control procedures across the country.
Memory Tip
Think of 'Soku' (measure) + 'Tei' (fix/determine). You are fixing the value by measuring it.
Frequently Asked Questions
4 questions「測る」は日常的な動作全般に使われる一般的な言葉です。「測定する」は、より専門的で精密な機器を用いて、科学的なデータを得るというニュアンスが強くなります。
主に実験、研究、医療、製造現場など、正確な数値が求められる公式な場面で使用されます。日常生活の軽い計量には「測る」の方が適しています。
「測定した」となります。否定形は「測定しない」です。
「測量」は特に土地の広さや高低差を測る専門用語です。「測定」はより広範囲の物理量を対象とします。
Test Yourself
科学者は実験で気温を___した。
科学的な実験での数値取得には「測定」が最も適切です。
Score: /1
Summary
To measure something precisely using instruments or scientific methods.
- To determine the size or amount using tools.
- Commonly used in scientific and technical contexts.
- Implies precision and objective numerical data.
Use for formal and scientific contexts
Choose '測定する' when you are writing reports or conducting experiments. It adds a layer of professional accuracy to your language.
Avoid in casual daily conversations
Do not say 'I am measuring my weight' as '測定する' in casual talk. Use '量る' for daily life activities.
Precision in Japanese culture
Japanese culture values precision and quality control. This word reflects that focus on exact data in industrial and academic settings.
Examples
3 of 3血圧を測定する。
Measure blood pressure.
正確に時間を測定する必要がある。
It is necessary to measure the time accurately.
放射線量を測定した。
Measured the radiation level.
Related Content
This Word in Other Languages
Related Vocabulary
More academic words
絶対的
B2Absolute; not qualified or diminished in any way; total.
絶対的に
B1In a complete, unconditional, or conclusive manner; absolutely.
抽象的だ
B1Abstract; existing in thought or as an idea but not having a physical or concrete existence.
抽象
B2Existing in thought or as an idea but not having a physical or concrete existence. It refers to generalizing or extracting the essence of something away from specific details.
抽象的に
B1In an abstract or theoretical manner.
学術的な
B1Academic, scholarly; relating to education and scholarship.
学術的だ
B1Academic; relating to education and scholarship.
学術的
B2Academic; relating to education and scholarship.
学術
B1Academia; scholarship; relating to scholarly pursuits.
学力
B1Academic ability; a person's level of knowledge and skill in academic subjects.
