CLASS n.
A comprehensive division of animate or inanimate objects, grouped together on account of their common characteristics, in any classification in natural science, and subdivided into orders, families, tribes, gemera, etc.
COELENTERA; COELENTERATA n.
A comprehensive group of Invertebrata, mostly marine, comprising the Anthozoa, Hydrozoa, and Ctenophora. The name implies that the stomach and body cavities are one. The group is sometimes enlarged so as to include the sponges.
COMPARATIVE a.
, brighter, more bright, or less bright. Comparative sciences, those which are based on a comprehensive comparison of the range of objects or facts in any branch or department, and which aim to study out and treat of the fundamental laws or systems of relation pervading them; as, comparative anatomy, comparative physio…