second

second
n.
the SI units of time, equal to the duration of 9,192,631,770 periods of the radiation corresponding to the transition between two hyperfine levels of the ground state of the caesium-133 atom. This unit is now the basis of all time measurements. Symbol: s.

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sec·ond (s) (sekґənd) the SI unit of time, equal to the duration of 9,192,631,770 periods of the radiation corresponding to the transition between the two hyperfine levels of the ground state of cesium 133.

Medical dictionary. 2011.

Синонимы:

См. также в других словарях:

  • second — second, onde [ s(ə)gɔ̃, ɔ̃d ] adj. et n. • XIIe; secunt 1119; lat. secundus « suivant », de sequi « suivre » I ♦ Adj. (généralt avant le nom) et n. 1 ♦ Qui vient après une chose de même nature; qui suit le premier. ⇒ deuxième(on emploie …   Encyclopédie Universelle

  • second — second, onde (se gon, gon d ; au XVIIe siècle, Marg. Buffet, Observ. p. 131, regarde comme une faute de prononcer le c comme un g ; au contraire, Chifflet, Gramm. p. 225, dit que le c se prononce comme un g ; le d se lie : un se gon t avis ;… …   Dictionnaire de la Langue Française d'Émile Littré

  • second — SECOND, [sec]onde. adj. numeral. Qui est immediatement aprés premier. Dans ce mot & dans ses derivez le C. se prononce comme un G. Il n est pas le premier, il n est que le second. le second livre. le second President. le second Capitaine. la… …   Dictionnaire de l'Académie française

  • Second — Sec ond, a. [F., fr. L. secundus second, properly, following, fr. sequi to follow. See {Sue} to follow, and cf. {Secund}.] 1. Immediately following the first; next to the first in order of place or time; hence, occurring again; another; other.… …   The Collaborative International Dictionary of English

  • second — second1 [sek′ənd] adj. [ME secunde < OFr < L secundus, following, second < sequi, to follow: see SEQUENT] 1. coming next after the first in order of place or time; 2d or 2nd 2. another; other; additional; supplementary [to take a second… …   English World dictionary

  • second — Ⅰ. second [1] ► ORDINAL NUMBER 1) constituting number two in a sequence; 2nd. 2) subordinate or inferior in position, rank, or importance. 3) (seconds) goods of an inferior quality. 4) (seconds) informal a second course or second helping of food… …   English terms dictionary

  • Second — Sec ond, n. 1. One who, or that which, follows, or comes after; one next and inferior in place, time, rank, importance, excellence, or power. [1913 Webster] Man An angel s second, nor his second long. Young. [1913 Webster] 2. One who follows or… …   The Collaborative International Dictionary of English

  • SECOND (J.) — SECOND JEAN (1511 1536) Né à La Haye, ce grand poète néo latin de son vrai nom Jean Everaerts est européen par ses voyages, dont ses propres relations nous transmettent l’itinéraire daté. Sa première jeunesse a pour cadre Malines, mais dès 1532… …   Encyclopédie Universelle

  • Second — Sec ond, v. t. [imp. & p. p. {Seconded}; p. pr. & vb. n. {Seconding}.] [Cf. F. seconder, L. secundare, from secundus. See {Second}, a.] 1. To follow in the next place; to succeed; to alternate. [R.] [1913 Webster] In the method of nature, a low… …   The Collaborative International Dictionary of English

  • second — [adj] next; subordinate additional, alternative, another, double, duplicate, extra, following, further, inferior, lesser, lower, next in order, other, place, repeated, reproduction, runner up, secondary, subsequent, succeeding, supporting, twin,… …   New thesaurus

  • Second — (en castellano: segundo) puede referirse a: Second, banda española. Second Coming (1994), álbum de The Stone Roses. Véase también Segundo, desambiguación. Esta página de desambiguación cataloga artículos relacionados con el mismo …   Wikipedia Español


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