decrescent

adjective
de·​cres·​cent | \ di-ˈkre-sᵊnt How to pronounce decrescent (audio) \

Definition of decrescent

: becoming less by gradual diminution : decreasing, waning

First Known Use of decrescent

1610, in the meaning defined above

History and Etymology for decrescent

alteration of earlier decressant, from Anglo-French, present participle of Anglo-French decrestre to decrease

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