General term for water that is hot or boiling. Used in everyday contexts such as cooking, cleaning, or describing hot liquids.
hydrothermal water; hydrothermal solution
Geological term for naturally heated water, often mineral-rich, found in geothermal areas or used in hydrothermal processes.
Disinfect the dishes with hot water.
Pour boiling water to make tea.
Hydrothermal deposits are sometimes found on the seafloor.
hot spring; hydrothermal spring; geothermal spring
hydrothermal solution
hydrothermal deposit
hydrothermal vent
hydrothermal discharge zone
A compound of 熱 “heat” and 水 “water.” The reading ねっすい reflects regular gemination of final つ before the following サ-row consonant.