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 )

• pentanes
• pentangle
• pentangles
• pentangular
• pentanoic acid
• pentanol
• pentaploid
• pentaploidies
• pentaploids
• pentaploidy
• pentapodic
• pentapodies
• pentapody
• pentapolis
• pentapolises
• pentapolitan
• pentaprism
• pentaprisms
• pentarch
• pentarchies
• pentarchs
• pentarchy
• pentastich
• pentastichous
• pentastichs