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amaranthaceous

[am-uh-ran-they-shuh s]
adjective
  1. belonging to the plant family Amaranthaceae.
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Origin of amaranthaceous

1830–40; < New Latin Amaranthace(ae) (Amaranth(us) amaranth + -aceae -aceae) + -ous
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for amaranthaceous

amaranthaceous

adjective
  1. of, relating to, or belonging to the Amaranthaceae (or Amarantaceae), a family of tropical and temperate herbaceous or shrubby flowering plants that includes the amaranths and cockscomb
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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