cretaceous /kri-tāˈshəs/

1. Composed of or like chalk
2. (with cap) of or belonging to a period of the Mesozoic era, between 145 and 65 million years ago (geology; also noun )

• coliform
• coliform bacillus
• coliforms
• colin
• colins
• coliseum
• coliseums
• colitis
• colitises
• coll
• coll.
• collaborate
• collaborated
• collaborates
• collaborating
• collaboration
• collaborationism
• collaborationist
• collaborationists
• collaborations
• collaborative
• collaboratively
• collaborator
• collaborators
• collage