from The American Heritage® Dictionary of the English Language, 5th Edition.

  • transitive verb To rub, crush, grind, or pound into fine particles or a powder; pulverize.
  • noun A triturated substance, especially a powdered drug.

from The Century Dictionary.

  • noun A form of medicine in which an active substance has been thoroughly powdered and mixed by rubbing up with sugar of milk.
  • To rub, grind, or bruise; specifically, to grind to a powder.
  • In physiology, to grind with the grinders; masticate with the molar teeth; chew to a pulp.

from the GNU version of the Collaborative International Dictionary of English.

  • transitive verb To rub, grind, bruise, or thrash.
  • transitive verb To rub or grind to a very fine or impalpable powder; to pulverize and comminute thoroughly.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • verb To grind to a fine powder, to pulverize.
  • verb To mix two solid reactants by repeated grinding and stirring.
  • verb To break up biological tissue into individual cells via passage through a narrow opening such as a hypodermic needle.


from The American Heritage® Dictionary of the English Language, 4th Edition

[Late Latin trītūrāre, trītūrāt-, to thresh, from Latin trītūra, a threshing, from trītus, past participle of terere, to thresh; see terə- in Indo-European roots.]



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  • Usage note on triturated.

    March 5, 2008

  • (verb used with object) 1. to reduce to fine particles or powder by rubbing, grinding, bruising, or the like; pulverize.

    (noun) 2. a triturated substance.

    March 6, 2008

  • "They're triturating each other."

    Witch Grass by Raymond Queneau, translated by Barbara Wright, p 100 of the NYRB paperback

    November 6, 2010