零 度(れいど)

れいど

noun

zero degrees

1. zero degrees (temperature or angle)

A reading of 0° — most commonly 0°C (the freezing point of water), but also 0° in angle measurement. Often used in weather and scientific contexts.

This morning's temperature was zero degrees.

Water freezes at zero degrees.

Tonight is forecast to drop below zero degrees, so the roads may freeze.

Composed of 零(れい) (zero) + 度(ど) (degree). Default reference is Celsius; specify with 摂氏(せっし)零度(れいど) or 華氏(かし)零度(れいど) if needed.

氷点(ひょうてん): freezing point — refers to the point at which water freezes, often used in 氷点下(ひょうてんか)
マイナス: minus / negative — マイナス五度(ごど) = minus five degrees, very common in weather speech

Related Words

general

Added 2026.5.13 13:08 · Revised 2026.9.2 13:02

27500/27531_reido