/ Dictionary / Index S specific heat: Meaning and Definition of Find definitions for: specif'ic heat' Pronunciation: [key] — Physics. Physics. the number of calories required to raise the temperature of 1 gram of a substance 1°C, or the number of BTU's per pound per degree F. (originally) the ratio of the thermal capacity of a substance to that of standard material. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. specific gravity specific humidity Related Content Daily Word Quiz: wizened Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language