cretaceous

/kɹɪtˈeɪʃɪs/ · 3 syllables

Meaning

adjective

1. abounding in chalk
2. of or relating to or denoting the third period of the Mesozoic era

noun

1. from 135 million to 63 million years ago; end of the age of reptiles; appearance of modern insects and flowering plants

Synonyms for cretaceous

• Cretaceous period