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trigonous

[trig-uh-nuh s]
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adjective
  1. having three angles or corners, as a stem or seed; triangular.
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Origin of trigonous

1750–60; < Latin trigōnus triangular < Greek trígōnos. See tri-, -gon, -ous
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words for trigonous

treble, triple, trilateral, ternary, third, trinitarian, triangular, pyramidal, ternate, trichotomous, trigonal, trigonous, trinal, trinary, tripartite

Examples from the Web for trigonous

Historical Examples of trigonous

  • Grain is narrow, trigonous, oblong, translucent and shining.

    A Handbook of Some South Indian Grasses

    Rai Bahadur K. Ranga Achariyar

  • Grain is sub-globose, oblong or trigonous, closely invested by the glume and its palea.

    A Handbook of Some South Indian Grasses

    Rai Bahadur K. Ranga Achariyar


British Dictionary definitions for trigonous

trigonous

adjective
  1. (of stems, seeds, and similar parts) having a triangular cross section
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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