zero[zē′rō]

Type:Term

Definitions
1. The figure 0, indicating the absence of magnitude, or nothing.
2. In thermometry, the point from which the figures on the scale start in one or the other direction; in the Celsius and Réaumur scales, zero indicates the freezing point for distilled water; in the Fahrenheit scale, it is 32° below the freezing point of water.

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