rarefy
Definition
To make or become less dense or more refined, often in a literal or metaphorical sense.
日本語 密度が低くなる; 精緻になる
Example
"At high altitudes, the air becomes rarefied and breathing becomes difficult."
To make or become less dense or more refined, often in a literal or metaphorical sense.
日本語 密度が低くなる; 精緻になる
"At high altitudes, the air becomes rarefied and breathing becomes difficult."