evaporation

/i,væpə'reiʃn/

Thân thiện

Water droplets on a leaf slowly disappear through evaporation.

Definition

1. Noun:
   • The process of a liquid turning into vapor: The physical change where a substance in its liquid state transforms into its gaseous state, typically due to heat or reduced pressure.
   • The process of extracting moisture; drying: The removal of water or other liquid from a substance, often as a result of the first process.

Usage and Examples

• As a noun:
  • The evaporation of water from the ocean is a key part of the water cycle. (This describes the natural process of liquid water becoming vapor.)
  • Rapid evaporation of the spilled solvent left a stain on the floor. (This shows the process happening quickly.)
  • The ancient method of salt production relies on the evaporation of seawater in shallow ponds. (This illustrates the process of extracting a substance by removing moisture.)

Advanced Usage

• Scientific Context: In physics and chemistry, 'evaporation' specifically refers to the surface phenomenon where particles escape from a liquid to become gas, distinct from boiling which occurs throughout the liquid.
  • The experiment measured the rate of evaporation for different alcohols at room temperature.
• Figurative Use: It can be used metaphorically to describe something disappearing or dissipating gradually.
  • After the scandal, public support for the policy underwent a rapid evaporation.

Variants and Related Words

• Evaporate (verb): To change from a liquid to a vapor; to disappear or cause to disappear.
  • The morning dew will evaporate as the sun rises.
• Evaporative (adjective): Relating to or involving evaporation.
  • The swamp cooler uses an evaporative cooling process.
• Evaporated (adjective): Describing a liquid that has been turned into vapor, or a substance from which moisture has been removed.
  • The recipe calls for evaporated milk.

Synonyms

• Vaporization: The general process of turning into vapor (can include boiling).
• Desiccation: The process of drying out completely.
• Drying: The removal of moisture.

Related Phrases and Idioms

• To evaporate into thin air: To disappear completely and suddenly.
  • The promised funding seemed to evaporate into thin air.
• Rate of evaporation: A common scientific phrase describing how quickly a liquid turns to vapor under given conditions.
  • Wind increases the rate of evaporation from the soil.

Học thuật

Noun

1. the process of extracting moisture
2. the process of becoming a vapor

Từ đồng nghĩa

• dehydration
• desiccation
• drying up
• vaporization
• vaporisation
• vapor
• vapour