零度
れ
い
ど
Meanings
1
zero degrees (Celsius); freezing point
Primarily refers to 0°C, the temperature at which water freezes. Often used in weather contexts.
The temperature this morning was zero degrees.
Water freezes at zero degrees.
2
Can be used for zero on any scale, but most commonly refers to temperature. For other scales, context makes the meaning clear.
The needle of this gauge is pointing to zero.