蒸発

じょうはつ

evaporation

JLPT N2

Character Breakdown

Meaning and Usage

"蒸発" (じょうはつ) primarily means "evaporation," referring to the physical process where a liquid turns into vapor. It is commonly used in scientific contexts but also appears metaphorically to describe someone disappearing suddenly.

Common Contexts

  • Literal evaporation of water or other liquids due to heat.
  • Figurative use describing a person vanishing without notice.

Collocations and Patterns

  • 蒸発する: to evaporate
  • 突然蒸発する: to disappear suddenly (figurative)
  • 蒸発した水分: evaporated moisture

Usage Notes

When used literally, "蒸発" is a neutral scientific term. In everyday conversation, the figurative use to describe someone disappearing is informal and often dramatic. Be careful not to confuse "蒸発" with "消える" (to disappear) as "蒸発" implies a sudden and complete vanishing, often without explanation.

Register

"蒸発" is a standard noun used in both formal and informal contexts depending on usage. The figurative use is more casual and common in spoken language.

Example Sentences

みずがたいようのねつでじょうはつした。

The water evaporated due to the heat of the sun.

かれはとつぜんじょうはつして、だれもゆくえをしらない。

He suddenly disappeared without a trace, and no one knows where he is.

じょうはつしたすいぶんをおぎなうために、こまめにみずをのもう。

To replenish the evaporated moisture, drink water frequently.