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.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

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]
Farlex Partner Medical Dictionary © Farlex 2012

zero

Physics Null, naught, nada. See Audiometric zero Vox populi A popular term for a person with no personality and/or life.
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.

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]
Medical Dictionary for the Health Professions and Nursing © Farlex 2012

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]
Medical Dictionary for the Dental Professions © Farlex 2012