zero
I. noun (plural zeros; also zeroes) Etymology: French or Italian; French zéro, from Italian zero, from Medieval Latin zephirum, from Arabic ṣifr Date: 1598 1. a. the arithmetical symbol 0 or Ø denoting the absence of all magnitude or quantity b. additive identity; specifically the number between the set of all negative numbers and the set of all positive numbers c. a value of an independent variable that makes a function equal to zero <
+2 and -2 are zeros of f(x)=x2-4
>
2. — see number table 3. a. (1) the point of departure in reckoning; specifically the point from which the graduation of a scale (as of a thermometer) begins (2) the temperature represented by the zero mark on a thermometer b. the setting or adjustment of the sights of a firearm that causes it to shoot to point of aim at a desired range 4. an insignificant person or thing ; nonentity 5. a. a state of total absence or neutrality b. the lowest point ; nadir 6. something arbitrarily or conveniently designated zero II. adjective Date: 1810 1. a. of, relating to, or being a zero b. having no magnitude or quantity ; not any <
zero growth
>
<
zero tolerance
>
c. (1) having no phonetic manifestation <
the zero modification in the past tense of cut
>
(2) having no modified inflectional form <
a zero plural
>
2. a. of a cloud ceiling limiting vision to 50 feet (15 meters) or less b. of horizontal visibility limited to 165 feet (50.3 meters) or less III. verb Date: 1913 transitive verb 1. to determine or adjust the zero of (as a rifle) 2. a. to concentrate firepower on the exact range of — usually used with in b. to bring to bear on the exact range of a target — usually used with in intransitive verb 1. to adjust fire on a specific target — usually used with in 2. to close in on or focus attention on an objective — usually used with in <
investigators are zeroing in on a suspect
>

New Collegiate Dictionary. 2001.

Synonyms:
(or nought), ,


Look at other dictionaries:

  • zéro — zéro …   Dictionnaire des rimes

  • zéro — [ zero ] n. m. • 1485; empr., pour remplacer l a. fr. cifre « zéro », puis « chiffre », à l it. zero, d ab. zefiro, transcription de l ar. sifr « vide; zéro »; cf. chiffre 1 ♦ Symbole numéral (0) destiné à remplacer, dans la numération écrite,… …   Encyclopédie Universelle

  • Zero — puede referise a: Cero Zero, canción de la banda estadounidense Smashing Pumpkins. El Mitsubishi A6M un caza embarcado empleado por la Armada Imperial Japonesa desde 1940 hasta 1945. La revista española Zero de estilos de vida dirigida al público …   Wikipedia Español

  • Zero — steht für: die Zahl Null (eng.) /dev/zero, eine virtuelle Gerätedatei Mitsubishi A6M Zero, ein japanisches Jagdflugzeug des 2. Weltkriegs ZERO, die 1957 von Otto Piene und Heinz Mack gegründete Künstlergruppe Zero (Theaterstück), eine Komödie von …   Deutsch Wikipedia

  • Zero — Zéro (homonymie) Cette page d’homonymie répertorie les différents sujets et articles partageant un même nom …   Wikipédia en Français

  • zero — ZÉRO, zeróuri, s.n. 1. Număr care, în numărătoare, reprezintă o cantitate vidă şi care se indică prin cifra 0; nulă. ♢ expr. A reduce ceva la zero = a reduce cu totul importanţa unui lucru, a face să fie neglijabil. ♦ Cifră reprezentând numărul… …   Dicționar Român

  • Zéro — Zero steht für: Zero Mostel (1915–1977), einen US amerikanischen Schauspieler Zero (Theaterstück), eine Komödie von Fritz von Unruh Zero Skateboards, ein US amerikanisches Skateboardunternehmen Mitsubishi A6M Zero, ein japanisches Jagdflugzeug… …   Deutsch Wikipedia

  • zero — [zir′ō, zē′rō] n. pl. zeros or zeroes [Fr zéro < It zero < Ar ṣifr,CIPHER] 1. the symbol or numeral 0, representing the complete absence of any quantity or magnitude 2. the point, marked 0, from which positive or negative quantities are… …   English World dictionary

  • Zero — e ro, n.; pl. {Zeros}or {Zeroes}. [F. z[ e]ro, from Ar. [,c]afrun, [,c]ifrun, empty, a cipher. Cf. {Cipher}.] [1913 Webster] 1. (Arith.) A cipher; nothing; naught. [1913 Webster] 2. The point from which the graduation of a scale, as of a… …   The Collaborative International Dictionary of English

  • zero — / dzɛro/ num. card. [dal lat. mediev. zèphyrum, adattam. dell arabo ṣifr nulla, zero , calco del sanscr. śūnyá vuoto e poi zero ]. ■ s.m. (pl. zeri ) 1. [numero cardinale che precede ogni numero intero positivo nella serie dei numeri naturali,… …   Enciclopedia Italiana

  • zero — |é| s. m. 1. Sinal numérico representado pelo algarismo 0, que não tem valor próprio, mas que, colocado à direita de um outro, lhe decuplica o valor no sistema de numeração decimal. 2. Ponto de partida da escala de graduação de um instrumento de… …   Dicionário da Língua Portuguesa

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