A person who proclaims his religious faith in a loud or dynamic manner

(US) A sudden, but brief, sensation of heat over the entire body; a common symptom of menopause.

Alternative spelling of hot favorite

(automotive, informal) A high-performance hatchback small motor car.

Alternative form of hotkey

Alternative spelling of hothouse

(chemistry) a laboratory designed for use with radioactive substances

hot melt adhesive

A mass of organic matter decomposing and giving off heat from microbial metabolic action. / A garden bed using such a heat-generating mass; a hotbox.

Reusing sleeping quarters in shifts. / To farm using hotbeds for season extension.