Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun hot-water_heater

1 sense of hot-water heater

Sense 1
water heater, hot-water heater, hot-water tank -- (a heater and storage tank to supply heated water)
       => heater, warmer -- (device that heats water or supplies warmth to a room)
       => tank, storage tank -- (a large (usually metallic) vessel for holding gases or liquids)