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De - Pt| English Dictionary: tetra | by the DICT Development Group |
| 2 results for tetra | |
| From WordNet (r) 3.0 (2006) [wn]: | |
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| From Webster's Revised Unabridged Dictionary (1913) [web1913]: | |
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Tetra- \Tet"ra-\ [Gr. te`tra-, from te`sares, te`ttares, four. See {Four}.] 1. A combining form or prefix signifying four, as in tetrabasic, tetrapetalous. 2. (Chem.) A combining form (also used adjectively) denoting four proportional or combining parts of the substance or ingredient denoted by the term to which it is prefixed, as in tetra-chloride, tetroxide. | |
