rarefied

• 形容某事物高雅、精炼或专属于少数精英、知识分子的，也可指空气等稀薄的。

Describes something that is refined, elevated, or exclusive, often belonging to a select or intellectual group.

1. C1formal

   Having a low density, especially of air or gas; thin or tenuous.

   稀薄的

   • The air at high altitudes is rarefied and difficult to breathe.
   • Climbers must adapt to the rarefied atmosphere of the mountain peaks.
   • The rarefied gas in the chamber allowed for a unique experiment.

   同义词lightsparsesubtletenuousthin

   反义词densethick

2. Exclusive or refinedC2formal

   Belonging to a select, sophisticated, or intellectually elevated group; not common or ordinary.

   高雅或精英的

   • He moved in rarefied circles of art collectors and intellectuals.
   • The discussion was too rarefied for the general audience to follow.
   • Her taste in literature is quite rarefied, favoring obscure poets.

   同义词elevatedesotericexclusiveloftyrefinedselectsophisticated

   反义词commonordinaryplebeianpopularvulgar

• 动词，指使某物的密度变小、纯度提高或结构变得更精细稀疏，常用于科学或哲学语境。

A verb meaning to make something less dense, more refined, or more subtle, often used in scientific or philosophical contexts.

1. Lessen densityC2formalscientific

   To make something less dense or solid, especially air or a gas.

   稀释

   • The machine rarefies the air inside the chamber for the experiment.
   • High altitude naturally rarefies the atmosphere.
   • The process rarefies the gas to a near-vacuum state.

   同义词attenuatediffusediluteexpandthin

   反义词compresscondensesolidifythicken

2. Make more refinedC2formal

   To make something more subtle, refined, or elevated in quality or character.

   使精致

   • Years of study rarefied his taste in art.
   • The philosopher sought to rarefy his thoughts into pure ideas.
   • Her speech was rarefied by careful choice of words.

   同义词elevateetherealizeexaltpurifyrefinesublimate

3. Weaken consistencyC2formalscientific

   To reduce the consistency or concentration of a chemical substance.

   稀释

   • The chemist rarefied the solution by adding a solvent.
   • Rarefying the mixture made it easier to analyze.
   • The substance was rarefied to a more fluid state.

   同义词attenuatecutdilutethinwater down

   反义词concentratecondensethicken