Definition

Noun: A natural source of water that emerges from the ground at a temperature significantly higher than the local average air temperature, typically defined as 70°F (approximately 21°C) or above. It is heated by geothermal energy from the Earth's interior.

Usage

A "thermal spring" is a specific type of spring. The term is used to describe the natural feature itself. * It is common to use the preposition "at" when referring to a location: at a thermal spring. * The verbs often used with it include discover, visit, bathe in, and emerge from.

Examples

• Noun:
  • The region is famous for its numerous thermal springs.
  • We bathed in the relaxing waters of the thermal spring.
  • The thermal spring emerges from the rocks at a constant 40°C.

Advanced Usage

• "Hot spring": This is a common synonym for "thermal spring," though sometimes "hot spring" implies a higher temperature. In general usage, the terms are often interchangeable.
  • The resort was built around a natural hot spring (thermal spring).

Variants and Related Words

• Hot spring (n): A common synonym for a thermal spring.
• Geothermal spring (n): A more technical term emphasizing the geothermal heat source.
• Warm spring (n): May refer to a thermal spring with water at the lower end of the temperature range.
• Spring (n): The general term for a place where water flows naturally from the ground. Not all springs are thermal.

Synonyms

• Hot spring
• Geothermal spring
• Thermae (This term, often used in historical contexts, specifically refers to hot springs or the bathing complexes built around them.)

Related Idioms and Phrases

• To take the waters: This historical phrase means to visit a spa or thermal spring for health purposes.
  • In the 19th century, many people traveled to the Alps to take the waters.

Noun

1. a natural spring of water at a temperature of 70 F or above