CRETACEOUSES
CRETACEOUS
Cre*ta"ceous (kr-t"shs), a. Etym: [L. cretaceus, fr. creta chalk. See
Crayon.]
Definition: Having the qualities of chalk;abounding with chalk; chalky; as,
cretaceous rocks and formations. See Chalk. Cretaceous acid, an old
name for carbonic acid.
– Cretaceous formation (Geol.), the series of strata of various
kinds, including beds of chalk, green sand, etc., formed in the
Cretaceous period; -- called also the chalk formation. See the
Diagram under Geology.
– Cretaceous period (Geol.), the time in the latter part of the
Mesozoic age during which the Cretaceous formation was deposited.
Cre*ta"ceous, a. Also Cre*tac"ic. (Geol.)
Definition: Of, pertaining to, or designating, the period of time following
the Jurassic and preceding the Eocene.
Source: Webster’s Unabridged Dictionary 1913 Edition