Definitions of zero

  1. a quantity of no importance; "it looked like nothing I had ever seen before"; "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" Scrapingweb Dictionary DB
  2. a mathematical element that when added to another number yields the same number Scrapingweb Dictionary DB
  3. to adjust to zero value, of an instrument or device Scrapingweb Dictionary DB
  4. the quantity that registers a reading of zero on a scale Scrapingweb Dictionary DB
  5. indicating the absence of any or all units under consideration; "a zero score" Scrapingweb Dictionary DB
  6. indicating an initial point or origin Scrapingweb Dictionary DB
  7. of or relating to the null set (a set with no members) Scrapingweb Dictionary DB
  8. adjust (as by firing under test conditions) the zero of (a gun); "He zeroed in his rifle at 200 yards" Scrapingweb Dictionary DB
  9. having no measurable or otherwise determinable value; "the goal is zero population growth" Scrapingweb Dictionary DB
  10. adjust (an instrument or device) to zero value Wordnet Dictionary DB
  11. A cipher; nothing; naught. Webster Dictionary DB
  12. The point from which the graduation of a scale, as of a thermometer, commences. Webster Dictionary DB
  13. Fig.: The lowest point; the point of exhaustion; as, his patience had nearly reached zero. Webster Dictionary DB
  14. A cipher; nothing; neutral point on a scale, of temperature, etc., from which reckoning begins: zero hour, the hour fixed for beginning a military engagement, as an advance, or attack. The Winston Simplified Dictionary. By William Dodge Lewis, Edgar Arthur Singer. Published 1919.
  15. The figure o, indicating nothingness. In thermometry, the point from which the figures on the scale start in one or the other direction; in the Centigrade and Reaumur scales zero indicates the freezing point for distilled water; in the Fahrenheit scale it indicates the degree of cold obtained by mixing ice and salt and is 32° below the freezing point. A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
  16. See cut of thermometers on page 280. Warner's pocket medical dictionary of today. By William R. Warner. Published 1898.
  17. Cipher: nothing: the point from which a thermometer is graduated. The american dictionary of the english language. By Daniel Lyons. Published 1899.
  18. The cipher 0 : nothing; point from which a thermometer, &c., is graduated. The Clarendon dictionary. By William Hand Browne, Samuel Stehman Haldeman. Published 1894.
  19. The numeral 0; a cipher. The Concise Standard Dictionary of the English Language. By James Champlin Fernald. Published 1919.
  20. The absence of quantity; nothing. The Concise Standard Dictionary of the English Language. By James Champlin Fernald. Published 1919.
  21. The lowest point, as on the scale of a thermometer. The Concise Standard Dictionary of the English Language. By James Champlin Fernald. Published 1919.
  22. A cipher; nothing; the point of a thermometer from which it is graduated, being in Reaumur's and the centigrade thermometers, at the freezing point of water; in Fahrenheit's thermometer, at 32 Nuttall's Standard dictionary of the English language. By Nuttall, P.Austin. Published 1914.
  23. The neutral point between any ascending and descending scale or series, generally represented by the mark o; the extreme point of depression; naught; nothing; the point of a graduated instr. at which its scale commences. Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874.
  24. The origin of graduation. A dictionary of scientific terms. By Henderson, I. F.; Henderson, W. D. Published 1920.
  25. [Arabic] The origin of graduation. na
  26. z[=e]'ro, n. cipher: nothing: the point from which the reckoning begins on scales, such as those of the barometer, &c. [Fr.,--Ar. sifr. Doublet cipher.] gutenberg.org/ebooks/37683
  27. Figure 0, cipher; no quantity or number, nil; starting-point in scales from which positive& negative quantity is reckoned (z. in thermometers, freezing-point of water or other point selected to reckon from; absolute z. in temperature, point at which the particles whose motion constitutes heat would be at rest, estimated at -2737° C.); lowest point, bottom of scale, nullity, nadir. [old French] Concise Oxford Dictionary
  28. The point on a thermometer-scale at which the graduation begins. The zero of the Centigrade and Reaumur thermometer is the melting-point of ice. That of the Fahrenheit is 32 below the melting-point of ice. American pocket medical dictionary.
  29. [It., Ar.] The point from which a graduation begins; as the zero or zero-point of a thermometer. Glossary of terms and phrases - Percy
  30. n. [American] Cipher; nothing; naught;-the point from which the graduation, as of a thermometer, commences. Cabinet Dictionary

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