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Tetrahedral definition

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A term used to describe molecules and polyatomic ions that have one atom in center and four atoms at the corners of a tetrahedron.

See also:

tetracyclines definition
A subclass of polyketides having an octahydrotetracene-2-carboxamide skeleton, substituted with many hydroxy and other groups. E.g. chlortetracycline

thermal neutrons definition
neutrons that have not been slowed down and have reached equilibrium with matter at room temperature

tetrachlorosilane definition
see silicon tetrachloride.

thin film definition
a specific class of either conducting or insulating film deposited onto a wafer surface.

thioanhydrides definition
Compounds having the structure acyl-S-acyl. NOC Rules C-543.5, C-643.2. Also called diacylsulfanes. GNOC Recom. R-5.7.7.3. E.g. CH3C(=O)SC(=S)CH2CH3 acetic thiopropanoic thioanhydride. See acyl groups.