plural noun
Am·​bro·​si·​a·​ce·​ae | \ amˌbrōz(h)ēˈāsēˌē \

Definition of Ambrosiaceae

in some classifications
: a family of herbs comprising all the composites (as ragweeds) that have the flower head subtended by an involucre of separate or united bracts and the stamens separate or merely connivent — see compositae

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First Known Use of Ambrosiaceae

1834, in the meaning defined above

History and Etymology for Ambrosiaceae

New Latin, from Ambrosia, type genus + -aceae

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The first known use of Ambrosiaceae was in 1834

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Cite this Entry

“Ambrosiaceae.” Dictionary, Merriam-Webster, Accessed 23 Sep. 2020.

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