Mawson, C.O.S., ed. (1870–1938). Roget’s International Thesaurus. 1922.

Class III. Words Relating to Matter
Section III. Organic Matter
2. Sensation
(2) Heat

382. Heat.

   NOUN:HEAT, caloric; temperature, warmth, fervor, calidity [obs.], torridity; incalescence or incalescency [rare], incandescence; recalescence, decalescence; adiathermancy, athermancy, diathermacy, diathermance or diathermancy or diathermaneity; phlogiston [old chem.], phlogisis; thermogenesis; liquation.
  summer, dog days, canicule, canicular days; baking [See Calefaction] -, white -, tropical -, Afric -, Indian -, Bengal -, summer -, blood- heat; sirocco, simoom or simoon, hot wave, sun at noon, “the bloody Sun, at noon” [Coleridge], vertical rays, broiling sun; insolation; warming [See Calefaction].
  FLUSH, glow, blush, bloom, redness; rubicundity; fever, hectic; febricity, pyrexia.
  FIRE, spark, scintillation, flash, flame, blaze; bonfire; firework, pyrotechny; wildfire; sheet of fire, lambent flame; devouring element; pyrotechnics.
  sun (luminary) [See Luminary].
  HOT SPRINGS, geysers; thermæ, hot baths; Turkish -, electric -, Russian-bath; steam.
  FIRE WORSHIP, pyrolatry, sun worship, heliolatry, Sabæanism or Sabeanism or Sabeism, Parsiism or Parseeism, Zoroastrianism; pyrolator, heliolator, Sabæan or Sabean, Parsi or Parsee, Zoroastrian.
  [SCIENCE OF HEAT] pyrology; thermology, thermotics; thermometer [See Thermometer].
   VERB:BE HOT &c. adj.; glow, flush, sweat, swelter, bask, smoke, reek, stew, simmer, seethe, boil, burn, singe, scorch, scald, grill, broil, blaze, flame; smolder or smoulder; parch, fume, pant.
  HEAT (make hot) [See Calefaction]; insolate, incandesce, recalesce.
  THAW, fuse, melt, liquate, liquefy; give.
   ADJECTIVE:WARM, mild, genial, tepid, lukewarm, unfrozen; calid; warm as -toast, – wool.
  HOT, heated, fervid, fervent; roasting, sweltry; reeking &c. v.; ardent, aglow; baking [See Calefaction]; sunny, sunshiny, æstival or estival, canicular, torrid, tropical; thermal, thermic; calorific.
  red -, white -, smoking -, burning &c. v. -, piping- hot; like -a furnace, – an oven; hot as -fire, – pepper; hot enough to roast an ox.
  CLOSE, sultry, stifling, stuffy, suffocating, oppressive.
  FIERY; incandescent, incalescent [rare]; candent, ebullient, glowing, smoking; live; on fire; blazing &c. v.; in flames, in a blaze; alight, afire, ablaze; unquenched; unextinguished; smoldering or smouldering; in a -heat, – glow, – perspiration, – sweat; sudorific; sweltering, sweltered; blood-hot, blood-warm; recalescent, decalescent, thermogenic, thermogenous, thermogenetic, thermotic or thermotical; pyrotechnic or pyrotechnical; phlogotic or phlogistic; pyrological.
  [TRANSMITTING RADIANT HEAT] diathermic, diathermal, diathermanous.
  [NOT TRANSMITTING RADIANT HEAT] athermanous, adiathermal, adiathermanous, adiathermic.
  VOLCANIC, plutonic, igneous.
  ISOTHERMAL, isothermic, isothermical.
  FEVERISH, febrile, febricose [rare], febrific, febrifacient, pyretic, pyrexic [rare], inflamed, burning; in a fever.
  1. Not a breath of air.
  2. Whirlwinds of tempestuous fire.—Paradise Lost
  3. The land where every weed is flaming and only man is black.—Chesterton