• synonyms


  1. Pathology. inflammatory.
  2. pertaining to or consisting of phlogiston.
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Origin of phlogistic

1725–35; < Greek phlogist(ós) inflammable (verbid of phlogízein to set on fire; akin to phlox, phlegm) + -ic
Related formspost·phlo·gis·tic, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for phlogistic

Historical Examples of phlogistic

  • The phlogistic theory was destroyed by its own cumbersomeness.

    The Story of Alchemy and the Beginnings of Chemistry

    M. M. Pattison Muir

  • The weak point of the phlogistic theory was its practical disregard of the phenomena of weight.

  • The phlogistic theory did more than serve as a means for bringing together many apparently disconnected facts.

  • In the seventeenth century, Beccher and Stahl, two German chemists, brought forward what is known as the phlogistic hypothesis.

    Curiosities of Heat

    Lyman B. Tefft

  • Associated words: phlogistic, phlogogenous, antiphlogistic, demulcent delitescence.

    Putnam's Word Book

    Louis A. Flemming

British Dictionary definitions for phlogistic


  1. pathol of inflammation; inflammatory
  2. chem of, concerned with, or containing phlogiston
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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