Tetrad - definition, pronunciation, transcription

Amer.  |ˈtetrad|  American pronunciation of the word tetrad
Brit.  |ˈtɛtrad|  British pronunciation of the word tetrad

noun

- the cardinal number that is the sum of three and one (syn: 4, four, foursome, iv, quadruplet, quartet, quatern, quaternary, quaternion, quaternity)
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