thermo-

1.
a combining form meaning “heat,” “hot,” used in the formation of compound words:
thermoplastic.
Also, therm-, -therm.
Origin
< Greek, combining form of thermós hot, thérmē heat
British Dictionary definitions for thermo-

thermo-

combining form
1.
related to, caused by, or measuring heat: thermodynamics, thermophile
Word Origin
from Greek thermos hot, thermē heat
Word Origin and History for thermo-

word-forming element meaning "hot, heat," used in scientific and technical words, from comb. form of Greek thermos "hot," therme "heat" (see thermal).

thermo- in Medicine

thermo- or therm-
pref.
Heat: thermogenesis.

thermo- in Science
thermo- or therm-  
A prefix that means "heat," as in thermometer.