It describes both physical liquid-to-gas conversion and the sudden disappearance of a person or object.
Word in 30 Seconds
- Liquid turns into gas and disappears.
- Used metaphorically for people suddenly vanishing.
- Commonly used in scientific and daily contexts.
概要
「蒸発する」は、物理学的な現象として液体が熱によって気体に変化する様子を表します。日常生活では水たまりが消える現象や、沸騰によって水分が減る場面でよく使われます。2) 使用パターン: 主に「水が蒸発する」「アルコールが蒸発する」のように、主語は液体そのものになります。また、自動詞として使われるのが一般的です。3) 一般的な文脈: 科学的な説明だけでなく、日常会話でも「急に姿を消す」という意味で使われます。例えば、人混みで誰かを見失った時や、借金を抱えた人が夜逃げをした際に「あの人は蒸発した」と表現することがあります。4) 類語比較: 「気化する」はより科学的・専門的な響きがあり、「消える」はより一般的で広い意味を持ちます。「蒸発」は特に液体がなくなる過程に焦点を当てた言葉です。
Examples
洗濯物が干してあったが、暑さで水分が蒸発した。
everydayThe laundry was hanging, but the moisture evaporated due to the heat.
多額の負債を抱えた男が突然蒸発した。
formalThe man with huge debts suddenly vanished.
Common Collocations
Common Phrases
蒸発しやすい
Easily evaporated
Often Confused With
This is a more scientific term for phase change. Use it in chemistry or physics class.
Grammar Patterns
How to Use It
Usage Notes
The word is neutral in scientific contexts but can sound quite dramatic or serious when applied to people. Use it carefully when describing someone who has gone missing, as it carries a negative connotation of running away from responsibilities.
Common Mistakes
Beginners often use it for solid objects disappearing. Remember that it strictly refers to liquids or the metaphorical vanishing of people. Do not confuse it with '消滅' (extinction/vanishing).
Tips
Focus on the context
Distinguish between scientific usage (water drying) and metaphorical usage (people disappearing). Context is key to understanding the nuance.
Avoid using for solid objects
Do not use '蒸発' for solids disappearing. Use '消滅' or 'なくなる' instead for general objects.
The 'missing person' implication
In Japan, saying someone 'evaporated' implies a deliberate, secretive departure, often linked to social or financial pressure.
Word Origin
Derived from '蒸' (steam) and '発' (emit/start). It describes the process of steam being released from a liquid surface.
Cultural Context
In Japanese society, '蒸発' (jouhatsu) is a well-known euphemism for people who leave their families and jobs without a trace, often to escape debt or social shame.
Memory Tip
Imagine a puddle under the hot sun slowly turning into invisible steam. Then imagine a person turning into that same steam to escape their problems!
Frequently Asked Questions
3 questions「気化」は液体が気体に変わる現象全般を指す物理用語です。一方「蒸発」は、表面から気体になる現象を指し、より日常的で幅広い文脈で使われます。
突然、誰にも告げずにどこかへ姿を消すことを指す俗語です。特に借金などのトラブルから逃げる「夜逃げ」のような状況で使われることが多いです。
はい、水だけでなくアルコールや揮発性の液体に対しても使えます。ただし、個体から気体になる「昇華」とは区別されます。
Test Yourself
太陽の熱で水たまりが___。
液体が熱で気体になる現象は蒸発です。
Score: /1
Summary
It describes both physical liquid-to-gas conversion and the sudden disappearance of a person or object.
- Liquid turns into gas and disappears.
- Used metaphorically for people suddenly vanishing.
- Commonly used in scientific and daily contexts.
Focus on the context
Distinguish between scientific usage (water drying) and metaphorical usage (people disappearing). Context is key to understanding the nuance.
Avoid using for solid objects
Do not use '蒸発' for solids disappearing. Use '消滅' or 'なくなる' instead for general objects.
The 'missing person' implication
In Japan, saying someone 'evaporated' implies a deliberate, secretive departure, often linked to social or financial pressure.
Examples
2 of 2洗濯物が干してあったが、暑さで水分が蒸発した。
The laundry was hanging, but the moisture evaporated due to the heat.
多額の負債を抱えた男が突然蒸発した。
The man with huge debts suddenly vanished.
Related Content
This Word in Other Languages
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.
