- Today's Word
Accretion
uh-KREE-shuhn
Definition
- (noun) The gradual accumulation or growth of layers, particles, or matter over time.
Example
The coastline expanded slowly due to the accretion of sand carried by the tides.
Fun Fact
“Accretion” comes from the Latin accretio, meaning “growth” or “increase.” The term is widely used in science, such as in astronomy, where it describes the process of material gathering around a celestial body. It also has metaphorical applications, often symbolizing the slow but steady buildup of ideas, habits, or relationships.
(adjective) Distant from the ordinary; elevated, refined, or thin (as in air at high altitudes).
The scientist’s rarefied theories fascinated her peers but left the public scratching their heads.
From Latin rarefacere, meaning “to make thin.”