condensation

• 指物质由气态变为液态或固态的过程（凝结、冷凝），也指这一过程的结果；在心理学/精神分析中指将两种观念融合为一个象征的心理机制（凝缩作用）；广义上还可指某事物的简缩形式或使某物密度增大的行为（浓缩、压缩）。

A noun referring to the process of changing from a gaseous to a liquid or solid state, or the result of such a process; also used in psychoanalysis to describe the combination of two ideas into a single symbol, and more generally to mean a shortened version of something or the act of increasing density.

1. Psychoanalytic fusionC1formalscientific

   An unconscious process where two or more ideas or images merge into a single symbol, often occurring in dreams.

   凝缩

   • In dream analysis, condensation can combine a father figure with a boss into one person.
   • The symbol of a snake in the dream was a condensation of fear and temptation.
   • Freud described condensation as a key mechanism in the formation of dream content.

   同义词amalgamationcompressionfusionmerging

2. Phase change to liquidB2formalscientific

   The physical process of a substance changing from a gaseous state to a liquid or solid state.

   凝结

   • Condensation occurs when water vapor in the air cools and turns into liquid water.
   • The cold glass caused condensation to form on its surface.
   • Steam from the kettle undergoes condensation on the window pane.

   同义词liquefaction

   反义词boilingevaporationvaporization

3. Atmospheric moistureB1formalscientific

   Moisture from the air that has collected on a surface due to cooling.

   冷凝水

   • There was condensation on the car windows after the cold night.
   • Condensation dripped from the air conditioning unit.
   • The morning dew is a form of condensation.

   同义词dampnessdewmoisture

4. Compression or compactionB2formalscientific

   The process or result of becoming smaller or pressed together; compression.

   压缩或压紧

   • The condensation of the gas into a liquid reduces its volume significantly.
   • The condensation of the report into a single page was challenging.
   • The condensation of the material increased its density.

   同义词compactioncompressionconstrictioncontractionshrinkingsqueezing

   反义词dilationdispersionexpansionrarefaction

5. Abridged versionB2formal

   A shortened version of a written work that retains the main ideas.

   缩写版

   • The condensation of the novel was published for younger readers.
   • She read a condensation of the classic novel for her book report.
   • The magazine published a condensation of the lengthy article.

   同义词abbreviationabstractcompendiumdigestepitomesummarysynopsis

   反义词amplificationexpansionfullness

6. Density increaseC1formalscientific

   The act of increasing the density of something, often by reducing its volume.

   浓缩

   • The condensation of the solution was achieved by evaporation.
   • The process of condensation in the experiment increased the material's density.
   • Condensation of the gas resulted in a denser liquid.

   同义词compressionconcentrationdensificationthickening