verb (used with or without object), ti·trat·ed, ti·trat·ing. Chemistry.

to ascertain the quantity of a given constituent by adding a liquid reagent of known strength and measuring the volume necessary to convert the constituent to another form.

Origin of titrate

First recorded in 1860–65; tit(e)r + -ate1
Related formsti·tra·ta·ble, ti·tra·ble [tahy-truh-buh l] /ˈtaɪ trə bəl/, adjectiveti·tra·tion, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for titrate

Historical Examples of titrate

  • After letting stand 30 minutes, filter and then titrate 50 cc.

  • Titrate the distillate with N/10 alkali, using phenolphthalein as an indicator.

    All About Coffee

    William H. Ukers

  • Add phenolphthalein to the filtrate and titrate with N/10 acid and calculate the per cent.

    Soap-Making Manual

    E. G. Thomssen

  • Dissolve the residue in neutral alcohol and titrate with standard alkali using phenolphthalein as an indicator.

    Soap-Making Manual

    E. G. Thomssen

  • Dissolve the ash in distilled water and titrate total alkalinity, using as indicator methyl orange cold or litmus boiling.

    Soap-Making Manual

    E. G. Thomssen

British Dictionary definitions for titrate



(tr) to measure the volume or concentration of (a solution) by titration
Derived Formstitratable, adjective

Word Origin for titrate

C19: from French titrer; see titre
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

Word Origin and History for titrate

1870, from French titrer, from titre "title, qualification" (see titration).

Online Etymology Dictionary, © 2010 Douglas Harper

titrate in Medicine




To determine the concentration of a solution by titration or perform the operation of titration.
Related formstitrat′a•ble adj.titra′tor n.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.