Non-poisonous and safe to interact with or consume.
Word in 30 Seconds
- Refers to substances lacking toxic properties.
- Commonly used to describe safe plants or animals.
- Indicates the absence of harmful poison.
Overview
- 1概要：「無毒な」は、毒性がないことを客観的に述べる言葉です。生物学的な文脈だけでなく、日常会話でも「体に害がない」という意味で広く使われます。2) 使用パターン：名詞を修飾する際は「無毒な＋名詞」、述語として使う際は「〜は無毒だ」または「〜は無毒です」という形をとります。3) 一般的な文脈：キノコや植物が食用かどうかを判断する場面、食品の安全性、あるいは化学物質が環境に与える影響を議論する際によく登場します。4) 類語との比較：「無害な（harmless）」は毒性だけでなく、物理的な危険性や精神的な悪影響も含めたより広い範囲を指しますが、「無毒な」はあくまで毒素の有無に焦点を当てています。
Examples
この植物は無毒なので、触っても大丈夫です。
everydayThis plant is non-poisonous, so it is safe to touch.
実験により、その成分が無毒であることが証明されました。
formalExperiments proved that the component is non-poisonous.
無毒なヘビを見つけた。
informalI found a non-poisonous snake.
本研究の目的は、無毒な代替物質の開発である。
academicThe purpose of this study is to develop non-poisonous alternatives.
Common Collocations
Common Phrases
無毒化する
to detoxify
無毒性
non-toxicity
Often Confused With
Harmless is broader and can refer to personality or social situations. Non-poisonous specifically refers to the absence of toxins.
Grammar Patterns
How to Use It
Usage Notes
Use this word primarily in scientific, medical, or biological contexts. It is a formal term that describes the physical state of a substance. It is not used to describe abstract concepts like personality or intent.
Common Mistakes
Learners often use it to mean 'harmless' in a social sense (e.g., a harmless prank). This is incorrect as it implies a biological lack of poison. Stick to physical objects for this word.
Tips
Use for scientific or safety contexts
This word is best used when discussing safety regarding poisons. It provides a clear, objective tone in scientific or health-related discussions.
Avoid using for general safety
Don't use it to describe things like a 'harmless joke.' Use '無害な' instead in those social situations.
Japanese mushroom foraging culture
In Japan, distinguishing between poisonous and non-poisonous mushrooms is a serious cultural activity. The term '無毒' is critical for safety.
Word Origin
Derived from the kanji '無' (none) and '毒' (poison). It is a straightforward compound word used in both classical and modern Japanese.
Cultural Context
In Japan, food safety is highly valued, and labels often distinguish between toxic and non-toxic items. The word represents a high degree of certainty regarding safety.
Memory Tip
Think of 'Mu' (no) + 'Doku' (poison). 'No poison' is the literal meaning.
Frequently Asked Questions
4 questions「無毒な」は化学的な毒素がないことに限定されますが、「無害な」は毒に限らず、物理的に安全であったり、悪影響を及ぼさない幅広い状況で使われます。
料理の文脈では「無毒な」よりも「食べられる」や「安全な」と言うのが一般的です。「無毒な」は科学的・生物学的な説明に近い響きがあります。
はい、「この物質は無毒だ」のように述語として使ったり、「無毒性」という名詞形にして使うことも可能です。
反対語は「有毒な」です。毒があることを指す際に使われます。
Test Yourself
このキノコは見た目は怪しいが、分析の結果___であることがわかった。
文脈から毒がないことを示す言葉が必要です。
Score: /1
Summary
Non-poisonous and safe to interact with or consume.
- Refers to substances lacking toxic properties.
- Commonly used to describe safe plants or animals.
- Indicates the absence of harmful poison.
Use for scientific or safety contexts
This word is best used when discussing safety regarding poisons. It provides a clear, objective tone in scientific or health-related discussions.
Avoid using for general safety
Don't use it to describe things like a 'harmless joke.' Use '無害な' instead in those social situations.
Japanese mushroom foraging culture
In Japan, distinguishing between poisonous and non-poisonous mushrooms is a serious cultural activity. The term '無毒' is critical for safety.
Examples
4 of 4この植物は無毒なので、触っても大丈夫です。
This plant is non-poisonous, so it is safe to touch.
実験により、その成分が無毒であることが証明されました。
Experiments proved that the component is non-poisonous.
無毒なヘビを見つけた。
I found a non-poisonous snake.
本研究の目的は、無毒な代替物質の開発である。
The purpose of this study is to develop non-poisonous alternatives.
Related Content
This Word in Other Languages
Related Vocabulary
More nature words
～上
B1Above; on top of; up.
〜の上
A2On top of, above, upon.
豊か
B1Abundant; rich; plentiful (na-adjective).
〜に従って
B1According to, in conformity with, as (something happens).
酸性雨
B1Acid rain.
営み
B1Activity; daily life; undertaking (e.g., life's activities).
順応する
B1To adapt; to adjust; to conform.
~を背景に
B1Against the backdrop of; with...as background.
空気
A2air
大気汚染
B1Air pollution; the presence of harmful substances in the air.
