Trigraph
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
Read Also:
- Trihalomethane
/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 a type of chemical compound in which three of the hydrogen atoms in a methane molecule have been replaced by halogen atoms, esp by chlorine in drinking water.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 […]
- Trihedral
adjective, Geometry. 1. having, or formed by, three planes meeting in a point: a trihedral angle. noun 2. a trihedron. adjective 1. having or formed by three plane faces meeting at a point noun 2. a figure formed by the intersection of three lines in different planes
- Trihedron
noun, plural trihedrons, trihedra [trahy-hee-druh] /traɪˈhi drə/ (Show IPA). Geometry. 1. the figure determined by three planes meeting in a point. noun (pl) -drons, -dra (-drə) 1. a figure determined by the intersection of three planes
- Trihydrate
noun, Chemistry. 1. a hydrate that contains three molecules of water, as potassium pyrophosphate, K 4 P 2 O 7 ⋅3H 2 O. noun 1. (chem) a substance that contains three molecules of water
- Trihydric
adjective, Chemistry. 1. (especially of alcohols and phenols) trihydroxy. adjective 1. (of an alcohol or similar compound) containing three hydroxyl groups