hot spring

American  

noun

1. a thermal spring having water warmer than 98°F (37°C): the water is usually heated by emanation from or passage near hot or molten rock.

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hot spring British  

noun

1. Also called: thermal spring.  a natural spring of mineral water at a temperature of 21°C (70°F) or above, found in areas of volcanic activity

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hot spring Scientific  

1. A spring of warm water, usually having a temperature greater than that of the human body.

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Etymology

Origin of hot spring

First recorded in 1660–70

Example Sentences

The animals were seen entering homes, roaming near schools and rampaging in supermarkets and hot spring resorts almost on a daily basis.

From Barron's • May 8, 2026

The pair, who met in college in Tokyo, spent $40,000 on their first akiya in the hot spring town of Beppu.

From The Wall Street Journal • Mar. 29, 2026

The research team isolated eight strains of heat-tolerant cyanobacteria from the Bo Khlueng hot spring in Ratchaburi Province, Thailand.

From Science Daily • Jan. 13, 2026

The Rising Squall, features a dramatic view of a former hot spring and spa in Bristol seen from east bank of the River Avon, before Clifton Suspension Bridge was built.

From BBC • Jun. 6, 2025

It had been an unusually hot spring, and Alex was sweating by the time he reached the church, but that didn’t matter.

From "The Dead and the Gone" by Susan Beth Pfeffer