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See more synonyms for dietetic on Thesaurus.com
adjective Also di·e·tet·i·cal.
  1. pertaining to diet or to regulation of the use of food.
  2. prepared or suitable for special diets, especially those requiring a restricted sugar intake: a jar of dietetic jelly.
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  1. dietetics, (used with a singular verb) the science concerned with the nutritional planning and preparation of foods.
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Origin of dietetic

1535–45; < Latin diaeteticus < Greek diatētikós, equivalent to diatē-, variant stem of diaitân to treat, regulate (derivative of díaita diet1) + -tikos -tic
Related formsdi·e·tet·i·cal·ly, adverbnon·di·e·tet·ic, adjectivenon·di·e·tet·i·cal·ly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words

nourishment, victuals, menu, nutriment, diet, sustenance, subsistence, dietetics

Examples from the Web for dietetics

Historical Examples

  • In the matter of dietetics Nature is a safer guide than the chemist.

    The Stock-Feeder's Manual

    Charles Alexander Cameron

  • But, it will be asked, is appetite infallible as a guide in dietetics?

  • Dietetics is the art of sustaining the normal repair of the organism.

    Pedagogics as a System

    Karl Rosenkranz

  • They may restrict themselves to a simpler system of dietetics.

  • Dietetics, theory and practice of, introduced by transcendentalists, 150.

    Transcendentalism in New England

    Octavius Brooks Frothingham

British Dictionary definitions for dietetics


  1. (functioning as singular) the scientific study and regulation of food intake and preparation
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  1. denoting or relating to diet or the regulation of food intake
  2. prepared for special dietary requirements
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Derived Formsdietetically, adverb
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 dietetics


1540s, see dietetic + -ics.

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1570s, from Latin diaeteticus, from Greek diaitetikos "of or pertaining to diet," from diaita (see diet (1)). As a noun from 1759.

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Online Etymology Dictionary, © 2010 Douglas Harper

dietetics in Medicine


  1. The branch of therapeutics concerned with the practical application of diet in relation to health and disease.
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  1. Of or relating to diet.
  2. Of or being a food that, naturally or through processing, has a low caloric content.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.