Cre‧ta‧ceous /krəˈteɪʃəs, krɪˈteɪʃəs/
adjective[
Date: 1600-1700;
Language: Latin;
Origin: cretaceus, from creta 'chalk']
the Cretaceous period was the time long ago when rocks containing
chalk were formed
[TahlilGaran] Dictionary of Contemporary English ▲