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nyctaginaceous

[nik-tuh-juh-ney-shuh s]
adjective
  1. belonging to the Nyctaginaceae, the four-o'clock family of plants.
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Origin of nyctaginaceous

< New Latin Nyctagin- (stem of Nyctago old name of genus, equivalent to nyct- nyct- + Latin -āgō noun suffix) + -aceous
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for nyctaginaceous

nyctaginaceous

adjective
  1. of, relating to, or belonging to the Nyctaginaceae, a family of mostly tropical plants, including bougainvillea, having large coloured bracts surrounding each flower
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Word Origin

from New Latin, from Nyctago type genus, from Greek nukt-, nux night
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