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trigonous

American  
[trig-uh-nuhs] / ˈtrɪg ə nəs /

adjective

  1. having three angles or corners, as a stem or seed; triangular.


trigonous British  
/ ˈtrɪɡənəs /

adjective

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

"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

Etymology

Origin of trigonous

1750–60; < Latin trigōnus triangular < Greek trígōnos. See tri-, -gon, -ous

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The grain is oblong, obtusely trigonous, broadly and shallowly grooved dorsally with concentric minute tubercled ridges covered with a loose pericarp.

From A Handbook of Some South Indian Grasses by Rangachari, K.

The inflorescence is 1/2 to 3 inches long and consists of fascicles of spikelets; the rachis is trigonous, smooth, and flexuous.

From A Handbook of Some South Indian Grasses by Rangachari, K.

Grain is oblong shining light reddish brown, narrowed at both ends and somewhat trigonous.

From A Handbook of Some South Indian Grasses by Rangachari, K.

The grain is pale, brownish yellow, ellipsoidal-oblong, subacute, trigonous, rough and never smooth, with a shallow groove on the dorsal side; the embryo is about one-third the length of the grain.

From A Handbook of Some South Indian Grasses by Rangachari, K.

Spikes are 1/2 to 1-3/8 inches, sessile or shortly stalked; the rachis of the spike is slender, trigonous and scaberulous.

From A Handbook of Some South Indian Grasses by Rangachari, K.

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