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a suffix used in the formation of names of families: Rosaceae.
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Origin of -aceae
<Latin, feminine plural of -āceus.See -aceous
Words nearby -aceae
Accutron, ACDA, AC/DC, ace, -acea, -aceae, Ace bandage, acebutolol, acedia, Aceh, ace-high
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
British Dictionary definitions for -aceae
suffix forming plural proper nouns
denoting plants belonging to a familyLiliaceae; Ranunculaceae
Word Origin for -aceae
New Latin, from Latin, feminine plural of -āceus -aceous
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012