To heat with the use of steam.

As the hasty result of strong, passionate feelings and without thoughtful consideration.

(sciences, now historical) The heat generated in the body of a living animal.

plural of heat-ray

(science fiction) A weapon that fires a beam of extremely high temperature.

(UK, Australia) A storage heater.

plural of heat bank

(law) An outburst of anger that leads one to commit a criminal act, and is itself influenced by preceding events that might cause a reasonable person to lose self control.

heat generated by the fermentation of tan bark waste; generally used in horticulture as a source of bottom heat for potted plants in greenhouses; the application of tan heat to greenhouse plants, mainly during the 18-19th century.

(horticulture) heat supplied from below to the roots or rooting medium of plants under propagation, usually in hothouses or greenhouses