Translation and Meaning of: 反応 - hannou

The term 「反応」 (honnou) in Japanese is widely used in scientific and everyday contexts, meaning "reaction" or "response." The etymology of the word traces back to the combination of the kanji 「反」 (han), which means "opposite" or "anti," and 「応」 (ou), which means "to respond" or "to react." Thus, the essence of the word suggests a response to an opposing action, something that aptly reflects its use in various situations.

In the scientific context, 「反応」 is often associated with chemical reactions. Here, it describes the process by which one or more substances transform into different substances, undergoing an exchange of energy or a change in their structural composition. However, the use of the word is not limited to scientific contexts: in everyday situations, it can refer to how an individual or group responds to a stimulus or event, thus being a versatile and widely applicable expression.

The origin of this terminology is intrinsically linked to the development of the Japanese language and culture, reflecting the adaptation of general concepts of reaction between contrasting forces or elements. In the modern world, this word finds relevance in various areas such as psychology, where it describes emotional responses to stimuli, and technology, as in automatic systems responding to commands. This flexibility of meaning makes 「反応」 a key word in multiple contexts that require the description of dynamic interactions.

Vocabulary

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Synonyms and similar words

• 反響 (Hankyō) - Eco, response to a stimulus
• 応答 (Ōtō) - Response, reaction to a call
• 反応性 (Hannōsei) - Reactivity, the ability to react
• 反応力 (Hannōryoku) - Reaction capacity, ability to react
• 反応速度 (Hannōsokudo) - Reaction speed
• 反応性能 (Hannōseinō) - Reaction performance, efficiency in reactions
• 反応性質 (Hannōshitsu) - Nature of the reaction, reactive properties
• 反応機能 (Hannōkinō) - Reaction function
• 反応力学 (Hannōrikigaku) - Reaction mechanics
• 反応機構 (Hannōkikō) - Reaction mechanism
• 反応物質 (Hannōbusshitsu) - Reagent substance
• 反応過程 (Hannōkasei) - Reaction process
• 反応熱 (Hannōnetsu) - Heat of reaction
• 反応器 (Hannōki) - Reactor, reaction instrument
• 反応性評価 (Hannōsei hyōka) - Reactivity assessment
• 反応解析 (Hannōkaiseki) - Reaction analysis
• 反応制御 (Hannōseigyō) - Reaction control
• 反応生成物 (Hannōseiseibutsu) - Reaction product
• 反応生成力 (Hannōseiseiryoku) - Reactivity capability
• 反応生成速度 (Hannōseiseisokudo) - Reaction product generation rate
• 反応生成性 (Hannōseiseisei) - Ability to generate reactions
• 反応生成性能 (Hannōseiseiseinō) - Performance of reaction generation
• 反応生成性質 (Hannōseiseishitsu) - Reaction generation properties
• 反応生成機能 (Hannōseiseikinō) - Reaction generation function
• 反応生成力学 (Hannōseiseirikigaku) - Mechanics of reaction generation
• 反応生成機構 (Hannōseiseikikō) - Reaction generation mechanism

反応

Romaji: hannou
Kana: はんのう
Type: noun
L: jlpt-n1

Translation / Meaning: reação; resposta

Meaning in English: reaction;response

Definition: Show changes in physical movement or emotion in response to external stimuli.

Example Sentences - (反応) hannou

See below some example sentences:

酸化は化学反応の一つです。

Sanka wa kagaku hannou no hitotsu desu

Oxidação é um dos tipos de reações químicas.

A oxidação é uma das reações químicas.

• 酸化 - significa oxidação em japonês
• は - Japanese topic particle
• 化学反応 - significa reação química em japonês
• の - Possession particle in Japanese
• 一つ - significa um em japonês
• です - verbo ser/estar em japonês

この薬の反応はどうですか？

Kono kusuri no hannō wa dō desu ka?

How is the reaction of this medicine?

• この - demonstrative pronoun that means "this" or "this here"
• 薬 - noun meaning "remedy" or "medicine"
• の - particle that indicates possession or relationship between words
• 反応 - noun meaning "reaction" or "response"
• は - Particle indicating the topic of the sentence
• どう - adverb meaning "how" or "in what way"
• です - verb "to be" in the polite form
• か - Particle that indicates a question

合成は化学反応の一つです。

Gōsei wa kagaku hannō no hitotsu desu

A síntese é uma das reações químicas.

• 合成 - significa "síntese" em japonês.
• は - It is a grammatical particle that indicates the topic of the sentence.
• 化学反応 - significa "reação química" em japonês.
• の - é uma partícula gramatical que indica a relação de posse ou pertencimento.
• 一つ - significa "um" em japonês.
• です - It is a polite way to say "is" in Japanese.

彼女の反応は大げさすぎる。

Kanojo no hankou wa oogesa sugiru

Its reaction is very exaggerated.

• 彼女 - she
• の - Possession particle
• 反応 - reação
• は - Topic particle
• 大げさ - exagerado
• すぎる - demais