therm

heat, hot

Greek · therme (θέρμη); thermos

Therm names heat. Add a prefix for where the heat is (geo = earth, hydro = water) or for how it changes (exo = out, endo = in).

Memory trick

A thermos keeps tea hot: therm = heat, and the flask guards it.

thermal (therm + al) — relating to heatऊष्मा संबंधी
thermally (therm + al + ly) — in a way related to heatऊष्मा के रूप में
geothermal (geo + therm + al) — of heat from the earthभू-तापीय
hydrothermal (hydro + therm + al) — of hot waterगर्म जल संबंधी
isothermal (iso + therm + al) — at equal temperatureसमतापी
isotherm (iso + therm) — line joining equal temperaturesसमान तापमान वाली रेखा
hypothermia (hypo + therm + ia) — dangerously low body heatशरीर का ख़तरनाक रूप से कम तापमान
hyperthermia (hyper + therm + ia) — dangerously high body heatशरीर का ख़तरनाक रूप से अधिक तापमान
exothermic (exo + therm + ic) — giving heat outऊष्माक्षेपी
endothermic (endo + therm + ic) — taking heat inऊष्माशोषी
ectotherm (ecto + therm) — animal using outside heatबाहरी गर्मी पर निर्भर जानवर
homeotherm (homeo + therm) — animal keeping steady body heatस्थिर शरीर-तापमान वाला जानवर