rarefy

• Verbe signifiant rendre quelque chose moins dense, plus pur ou plus subtil, souvent employé dans un contexte scientifique ou philosophique.

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.

   Raréfier

   • 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.

   Synonymesattenuatediffusediluteexpandthin

   Antonymescompresscondensesolidifythicken

2. Make more refinedC2formal

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

   Rendre plus raffiné

   • 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.

   Synonymeselevateetherealizeexaltpurifyrefinesublimate

3. Weaken consistencyC2formalscientific

   To reduce the consistency or concentration of a chemical substance.

   Raréfier, diluer

   • 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.

   Synonymesattenuatecutdilutethinwater down

   Antonymesconcentratecondensethicken