Trigonous
adjective
1.
having three angles or corners, as a stem or seed; triangular.
adjective
1.
(of stems, seeds, and similar parts) having a triangular cross section
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noun, plural trigona [trahy-goh-nuh] /traɪˈgoʊ nə/ (Show IPA). Anatomy. 1. trigone. trigonum tri·go·num (trī-gō’nəm) n. pl. tri·go·na (-nə) A triangular anatomical area.
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noun 1. an informal name for triangulation station Also called (Austral and NZ) trig
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noun 1. a sequence of three adjacent letters or symbols.
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noun 1. a group of three letters representing a single speech sound, as eau in beau. noun 1. a combination of three letters used to represent a single speech sound or phoneme, such as eau in French beau
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/traɪˌheɪləʊˈmiːθeɪn/ noun 1. a type of chemical compound in which three of the hydrogen atoms in a methane molecule have been replaced by halogen atoms, esp by chlorine in drinking water. Trihalomethanes are thought to be carcinogenic trihalomethane (trī’hāl-ə-měth’ān’) Any of various organic compounds containing three halogen atoms substituted for three of the hydrogen atoms […]