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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.

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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.

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ze·ro (zîr)

n. pl. ze·ros or ze·roes

1. The numerical symbol 0, indicating the absence of quantity or mass.

2. The temperature indicated by the numeral 0 on a thermometer.

v.

To adjust an instrument or device to zero value.

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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.

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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.

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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.

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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.

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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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zero

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