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Meaning of tetra- in English:

tetra-

Pronunciation /ˈtɛtrə/

(also tetr-)

  • 1Four; having four.

    ‘tetramerous’
    • ‘tetragram’
    • ‘tetrode’

  • 2Chemistry
    (in names of compounds) containing four atoms or groups of a specified kind.

    • ‘tetracycline’

Origin

From Greek, from tettares ‘four’.