ZERO • DICTIONARY ONE.COM • Definition of Zero

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/zˈɪroʊ/ Listen

Zero

adjective

1.

Indicating the absence of any or all units under consideration. Synonym: 0.

2.

Having no measurable or otherwise determinable value.

3.

Indicating an initial point or origin.

4.

Of or relating to the null set (a set with no members).

noun

(pl. zeros or zeroes)

1.

A quantity of no importance. Synonyms: aught, cipher, cypher, goose egg, nada, naught, nil, nix, nothing, null, zilch, zip, zippo. "Reduced to nil all the work we had done" , "We racked up a pathetic goose egg" , "It was all for naught" , "I didn't hear zilch about it"

2.

A mathematical element that when added to another number yields the same number. Synonyms: 0, cipher, cypher, nought.

3.

The point on a scale from which positive or negative numerical quantities can be measured. Synonym: zero point.

4.

The sight setting that will cause a projectile to hit the center of the target with no wind blowing.

verb

1.

Adjust (an instrument or device) to zero value.

2.

Adjust (as by firing under test conditions) the zero of (a gun). Synonym: zero in.

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WordNet 3.0 © 2010 Princeton University

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"Zero" Quotes from Famous Books

... wildest idea, although she would be astounded to hear me say so." "Have you ever had flounders?" I asked. "Flounders!" My friend's pretty nose went up the eighth of an inch, and her confidence in my powers as counselor went down to zero. "Flounders! but they are a very common fish you know." "I know they are very delicious," I answered. "Order them, and trust me; but I must coax the autocrat of your kitchen to allow me to cook ...

— Culture and Cooking - Art in the Kitchen • Catherine Owen

... length of the tube, and the height of the barometer is ascertained by taking the difference of the readings of the upper and lower limbs respectively. This instrument may also be read by bringing the zero-point of the graduated scale to the level of the surface of the lower limb by means of a screw, and reading off the height at once from the surface of the upper limb. This barometer requires no correction for errors of capillarity or capacity. Since, however, impurities ...

— Encyclopaedia Britannica, 11th Edition, Volume 3, Part 1, Slice 3 - "Banks" to "Bassoon" • Various

... the molecules of a substance were brought to a standstill, that substance would be at the absolute zero of temperature. There could be nothing colder. The temperature at which all molecular motions would cease is known: it is -273 deg. C. No body could possibly attain a lower temperature than this: a lower temperature ...

— The Outline of Science, Vol. 1 (of 4) - A Plain Story Simply Told • J. Arthur Thomson

... very severe here for nearly three weeks; the thermometer 30 degrees below zero, with quite a fall of snow on the ground. I have tried every means in my power to raise volunteers for three months' State service, but as yet have not succeeded, owing to the factional ...

— The Battle of Atlanta - and Other Campaigns, Addresses, Etc. • Grenville M. Dodge

... his heart sank lower and lower. The old pre-war life claimed him mercilessly, and he was frozen with a dread which he had never felt on the fire-step in the cold dawn awaiting the lagging hour of zero. On the entrance to the Gare du Nord he went into the corridor and looked through the window. He saw Elodie afar off. Elodie, in a hat over her eyes, a fur round her neck, her skirt cut nearly up to her knees showing fat, white-stockinged calves. She had put on much flesh. ...

— The Mountebank • William J. Locke

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