Meaning of “warmth” - Learner’s Dictionary

warmth

noun [ U ] uk us /wɔːmθ/
HEAT

B2 the heat that is produced by something:

the warmth of the fire
FRIENDLY

B2 the quality of being friendly and showing affection:

There was no warmth in his eyes.

(Definition of “warmth” from the Cambridge Learner’s Dictionary © Cambridge University Press)