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Webster 1913 Edition

Cretaceously

Cre-ta′ceous-ly

,

adv.

In a chalky manner; as chalk.

Definition 2024

cretaceously

cretaceously

English

Adverb

cretaceously ‎(comparative more cretaceously, superlative most cretaceously)

In a chalky manner; as or like chalk.