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or therme

[thurm] /θɜrm/
noun, Physics.
any of several units of heat, as one equivalent to 1000 large calories or 100,000 British thermal units.
Origin of therm
First recorded in 1885-90, therm is from the Greek word thérmē heat



variant of thermo- before a vowel:


variant of thermo- as final element in compound words:
isotherm. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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Examples from the Web for therm
Historical Examples
  • It has long been known that these houses were built on the old walls and vaults of the therm.

    Rambles in Rome S. Russell Forbes
  • These are supposed to have stood near the grand entrance of the therm.

    Old Rome

    Robert Burn
  • A similar arrangement is found in the therm of Titus and Diocletian.

    Old Rome

    Robert Burn
  • The two large halls which belonged to the therm are to the east of the reservoirs.

    Old Rome

    Robert Burn
  • The other hall of the therm stands not far off, and is circular with a domed roof.

    Old Rome

    Robert Burn
  • These ruins may have belonged to the therm of Agrippa, which Augustus frequented.

    Old Rome

    Robert Burn
  • The therm, properly speaking, were a Roman adaptation of the Greek gymnasium.

    History of Sanitation John Joseph Cosgrove
  • Yet these were excelled both in size and magnificence by the therm Dioclesian.

    Roman Women

    Alfred Brittain
  • In the atrium is a statue of Constantine found in his therm.

    Cathedral Cities of Italy William Wiehe Collins
  • The therm, or baths, were vast structures in which multitudes of people could bathe at once.

British Dictionary definitions for therm


(Brit) a unit of heat equal to 100 000 British thermal units. One therm is equal to 1.055 056 × 108 joules
Word Origin
C19: from Greek thermē heat
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
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therm in Medicine

therm- pref.
Variant of thermo-.

-therm suff.
An organism having a specified kind of body temperature: exotherm.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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