(chemistry) The amount of heat evolved or absorbed in the production of one mole of a reaction product

Third-person singular simple present indicative form of talk over someone's head

simple past tense and past participle of talk over someone's head

present participle of talk over someone's head

The condition of being red-hot / The temperature of something that is red-hot

(simile) Very irritable; bad-tempered.

The state or temperature at which matter emits white light. / A state of intensive activity.

(dated) To have the bumps, indentations, and shape of one's skull examined and interpreted by a phrenologist. / (idiomatic) To have one's mental health assessed, to receive a psychiatric examination.

present participle of head off

(idiomatic, Canada) To reassess the common sense of one's behaviour, ideas, etc.