thinning

• 名词，指减少密度、厚度或填充度的过程或结果，常用于头发稀疏、森林疏伐或液体稀释等语境。

A noun referring to the process or result of making or becoming less dense, thick, or crowded, often used in contexts like hair loss, forest management, or liquid dilution.

不可数

1. Process of becoming less denseB2formal

   The act or process of making or becoming less dense, thick, or crowded.

   变稀疏的过程

   • The thinning of the ozone layer is a serious environmental concern.
   • Hair thinning is a common issue as people age.
   • The thinning of the forest allowed more sunlight to reach the ground.

   同义词attenuationdepletiondiffusiondilutionrarefaction

   反义词crowdingdensificationthickening

2. Reduction in number or amountB2formal

   A decrease in the number or quantity of something.

   减少

   • The thinning of the crowd made it easier to move around.
   • There has been a thinning of the workforce due to layoffs.
   • The thinning of the paint made it easier to apply evenly.

   同义词attenuationcutbackdeclinedecreasedepletiondiminutionlesseningreduction

• 动词，表示使某物的密度、厚度或浓度减小，或使某物变得不那么稠密或厚实；也可指变得稀疏或变薄。

A verb used to indicate the act of making something less dense, less thick, or more sparse, or to become less dense or thick.

1. Make less denseB1formal

   To make something less thick, dense, or concentrated.

   稀释

   • You need to thin the paint with water before applying it.
   • The gardener thinned the seedlings to give them more room to grow.
   • She thinned the sauce by adding a little broth.

   同义词attenuatecutdiluterarefywater downweaken

   反义词concentratecondensedensethicken

2. Become less denseB1formal

   To become less thick, dense, or crowded.

   变稀薄

   • His hair began to thin as he got older.
   • The crowd thinned out after the parade ended.
   • The fog started to thin as the sun rose.

   同义词attenuatedecreasediminishdispersedissipatedwindlelessenrarefytaperthin out

   反义词condensethicken

短语动词变体thin out