Tet"ra- (?). [Gr. , from , , 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.

 

© Webster 1913.

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