therm

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.

QUIZZES

THIS PSAT VOCABULARY QUIZ IS PERFECT PRACTICE FOR THE REAL TEST

In our third teacher-created PSAT practice test there are new and unique vocabulary terms you may have never heard of! Can you guess what they mean?
Question 1 of 10
seclusion

Origin of therm

First recorded in 1885–90, therm is from the Greek word thérmē heat

Definition for therm (2 of 4)

therm-

variant of thermo- before a vowel: thermesthesia.

Definition for therm (3 of 4)

-therm

variant of thermo- as final element in compound words: isotherm.

Definition for therm (4 of 4)

therm.

abbreviation

thermometer.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

British Dictionary definitions for therm

therm
/ (θɜːm) /

noun

British a unit of heat equal to 100 000 British thermal units. One therm is equal to 1.055 056 × 10 8 joules

Word Origin for therm

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

Medical definitions for therm (1 of 2)

therm-

pref.

Variant ofthermo-

Medical definitions for therm (2 of 2)

-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.