plural noun
Am·​a·​ran·​tha·​ce·​ae | \ ˌaməˌranˈthāsēˌē\

Definition of Amaranthaceae

: a cosmopolitan family of herbs and low shrubs (order Caryophyllales) having bracteate flowers in dense clusters for which many members are cultivated

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First Known Use of Amaranthaceae

1823, in the meaning defined above

History and Etymology for Amaranthaceae

New Latin, from Amaranthus, type genus + -aceae

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The first known use of Amaranthaceae was in 1823

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