zero


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zero

 [ze´ro]
1. the absence of all quantity or magnitude; naught.
2. the point on a thermometer scale at which the graduations begin. The zero of the Celsius (centigrade) scale is the ice point; on the Fahrenheit scale it is 32 degrees below the ice point.
absolute zero the lowest possible temperature, designated 0 on the Kelvin or Rankine scale; the equivalent of −273.15°C or −459.67°F.

ze·ro

(zē'rō), The JCAHO directs that a zero always be inserted before a decimal point when no other digit appears there (e.g., 0.5 mg, not .5 mg) and that a zero never be inserted after a decimal point when no other digit appears there (e.g., 5 mg, not 5.0 mg).
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.
[Sp. fr. Ar. sifr, cipher]

zero

/ze·ro/ (zēr´o)
1. the absence of all quantity or magnitude; naught.
2. the point on a thermometer scale at which the graduation begins; the ice point on the Celsius scale and 32° below the ice point on the Fahrenheit.

absolute zero  the lowest possible temperature, designated as 0 on the Kelvin or Rankine scale; the equivalent of −273.15°C or −459.67°F.

zero

[zir′ō]
Etymology: Ar, sifr, cipher
1 nothing.
2 the point on most scales from which measurements begin.
3 absolute zero (0° K) on the Kelvin scale, the temperature at which there is no molecular movement, corresponding to -273.15° C or -459.67° F.

zero

Physics Null, naught, nada. See Audiometric zero Vox populi A popular term for a person with no personality and/or life.

ze·ro

(zēr'ō)
1. The figure 0, indicating the absence of magnitude, or nothing.
2. 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 of distilled water; in the Fahrenheit scale, it is 32° below the freezing point of water.
[Sp. fr. Ar. sifr, cipher]

ze·ro

(zēr'ō) The JCAHO directs that a zero always be inserted before a decimal point when no other digit appears there (e.g., 0.5 mg, not .5 mg) and that a zero never be inserted after a decimal point when no other digit appears there (e.g., 5 mg, not 5.0 mg).
1. The figure 0, indicating the absence of magnitude, or nothing.
2. In thermometry, point from which figures on scale start in one or the other direction; in Celsius and Réaumur scales, zero indicates freezing point for distilled water; in the Fahrenheit scale, it is 32° below freezing point of water.
[Sp. fr. Ar. sifr, cipher]

zero,

n 1. a symbol for nothing or for the starting point.
2. the point on most scales from which measurements begin.
3. absolute zero, the temperature at which there is no molecular movement, corresponding to 273.15 on the Kelvin scale.

zero

the point on a thermometer scale from which the graduations begin. The zero of the Celsius (centigrade) scale is the ice point; on the Fahrenheit scale it is 32° below the ice point.

absolute zero
the lowest possible temperature, designated 0 on the Kelvin or Rankine scale, the equivalent of −273.15° C or −459.67° F.
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