tetra-Pronunciation: /ˈtɛtrə/ (also tetr- before a vowel)Definition of tetra- combining form 1four; having four:tetramerous tetragram tetrode 2 Chemistry (in names of compounds) containing four atoms or groups of a specified kind:tetracyclineOrigin:from Greek, from tettares 'four'tetra- in other Oxford dictionaries Definition of tetra- in the US English dictionary
