反応
A response or reaction to a stimulus, action, or statement. It can refer to a person's behavior in response to something, or a physical/chemical process where substances change.
Examples
3 of 5彼の反応はとても面白かったです。
His reaction was very funny.
新製品に対する市場の反応を調査します。
We will investigate the market's reaction to the new product.
メッセージを送ったけど、全然反応がないよ。
I sent a message, but there's no reaction at all.
Word Family
Memory Tip
Visualize a science lab: you add a drop of liquid (the stimulus) and wait for the 'return' (反 - han) 'response' (応 - nō).
Quick Quiz
プレゼントをあげたが、彼女の( )はあまり良くなかった。
Correct!
The correct answer is: 反応
Examples
彼の反応はとても面白かったです。
everydayHis reaction was very funny.
新製品に対する市場の反応を調査します。
formalWe will investigate the market's reaction to the new product.
メッセージを送ったけど、全然反応がないよ。
informalI sent a message, but there's no reaction at all.
この実験では、特定の温度で化学反応が起こります。
academicIn this experiment, a chemical reaction occurs at a specific temperature.
お客様の反応を見て、サービスを改善しましょう。
businessLet's look at the customers' reactions and improve our service.
Word Family
Common Collocations
Common Phrases
反応を見る
to see how someone reacts
反応に困る
to not know how to react
チェーン反応
chain reaction
Often Confused With
Usage Notes
Use 'hannō' when describing how someone or something acts as a result of an external trigger. It is very common in both social contexts and scientific discussions.
Common Mistakes
Learners sometimes use 'hannō' when they simply mean 'an answer' (henji). 'Hannō' describes the behavior or the 'vibe' of the response rather than the content of the words.
Memory Tip
Visualize a science lab: you add a drop of liquid (the stimulus) and wait for the 'return' (反 - han) 'response' (応 - nō).
Word Origin
A Sinitic compound where '反' (han) means 'return/anti' and '応' (nō) means 'respond/correspond'.
Grammar Patterns
Cultural Context
In Japanese communication, observing 'hannō' is crucial for 'reading the air' (kuuki wo yomu) to maintain social harmony.
Quick Quiz
プレゼントをあげたが、彼女の( )はあまり良くなかった。
Correct!
The correct answer is: 反応
Related Vocabulary
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