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Aptian

adjective
Apt·i·an | \ˈaptēən, -psh(ē)ən\

Definition of Aptian 

: of or relating to a subdivision of the European Lower Cretaceous

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History and Etymology for Aptian

French aptien, from Apt, commune near Avignon, France + French -ien -ian

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Dictionary Entries near Aptian

apterygote

apteryla

apteryx

Aptian

Aptiana

apting

aptitude

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