1. A prefix meaning three, thrice, threefold; as in tricoloured, tridentate.

2. <chemistry> A prefix (also used adjectively) denoting three proportional or combining part, or the third degree of that to the name of which it is prefixed; as in trisulphide, trioxide, trichloride.

Origin: Gr. tri- or L. tri-, sometimes through French; akin to L. tres three, and E. three.

(05 Feb 2009)

Trevor, David, Trevor's disease, TRF, TRH < Prev | Next > triable, triacetic acid

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