CONCEPTION n.
The formation in the mind of an image, idea, or notion, apprehension. Conception consists in a conscious act of the understanding, bringing any given object or impression into the same class with any number of other objects or impression, by means of some character or characters common to them all. Coleridge.…
CRETACEOUS a.
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…