| triacid | <chemistry> Capable of neutralising three molecules of a monobasic acid or the equivalent; having three hydrogen atoms which may be acid radicals; said of certain bases; thus, glycerin is a triacid base. Origin: Pref. Tri- + acid. Source: Websters Dictionary (01 Mar 1998) |
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| Ehrlich's triacid stain | <technique> A differential leukocytic stain comprised of saturated solutions of orange G, acid fuchsin, and methyl green. (05 Mar 2000) |
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