[ trahy-as-id ]
/ traɪˈæs ɪd /

adjective Chemistry.

capable of combining with three molecules of a monobasic acid: a triacid base.
noting acid salts containing three replaceable hydrogen atoms.

Nearby words

  1. triable,
  2. triac,
  3. triacetate,
  4. triacetate fiber,
  5. triacetic acid,
  6. triacontanol,
  7. triacylglycerol,
  8. triacylglycerol lipase,
  9. triad,
  10. triad syndrome

Origin of triacid

First recorded in 1885–90; tri- + acid Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for triacid

  • The staining of the blood specimen in triacid requires only a little fixation, cp.

  • They may be counted in leukæmic blood with the aid of the triacid or eosine-methylene blue stain.

  • In triacid preparations the granulation is unstained, and the mast cells appear as clear, polynuclear cells, free from granules.

  • Their true nature is shown by their behaviour with the triacid solution.

British Dictionary definitions for triacid


/ (traɪˈæsɪd) /


(of a base) capable of reacting with three molecules of a monobasic acid
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012