PENTAMERUS

Pen*tam"e*rus, n. Etym: [NL. See Pentamerous.] (Paleon.)

Definition: A genus of extinct Paleozoic brachiopods, often very abundant in the Upper Silurian. Pentamerus limestone (Geol.), a Silurian limestone composed largely of the shells of Pentamerus.

Source: Webster’s Unabridged Dictionary 1913 Edition



RESET




Word of the Day

24 January 2025

AGITATION

(noun) a state of agitation or turbulent change or development; “the political ferment produced new leadership”; “social unrest”


coffee icon

Coffee Trivia

The New York Stock Exchange started out as a coffee house.

coffee icon