saturation

1. Impregnation of one substance by another to the greatest possible extent. 2. Neutralization, as of an acid by an alkali. 3. That concentration of a dissolved substance that cannot be exceeded. 4. In optics, see saturated color. 5. Filling of all the available sites on an enzyme molecule by its substrate, or on a hemoglobin molecule by oxygen (symbol SO2) or carbon monoxide (symbol SCO). [L. saturatio, fr. saturo, to fill, fr. satis, enough]
- secondary s. a technique of nitrous oxide anesthesia consisting of an abrupt curtailment of the oxygen in the inhaled mixture to produce a deep plane of anesthesia, following which oxygen is administered to correct hypoxia.

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sat·u·ra·tion .sach-ə-'rā-shən n
1) the act of saturating: the state of being saturated
2) conversion of an unsaturated to a saturated chemical compound (as by hydrogenation)
3) a state of maximum impregnation esp the presence in air of the most water possible under existent pressure and temperature
4 a) the one of the three psychological dimensions of color perception that is related to the purity of the color and that decreases as the amount of white present in the stimulus increases called also intensity compare BRIGHTNESS, HUE
b ) (1) degree of difference from the gray having the same lightness used of an object color (2) degree of difference from the achromatic light-source color of the same brightness used of a light-source color

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sat·u·ra·tion (sach″ə-raґshən) [L. saturatio] 1. the act of saturating or condition of being saturated. 2. in radiotherapy, the delivery of a maximum tolerable tissue dose within a short time period and then maintenance of this biologic effect for an extended period of time by additional smaller fractional doses.

Medical dictionary. 2011.

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  • saturation — [ satyrasjɔ̃ ] n. f. • 1748; « satiété » 1513; bas lat. saturatio 1 ♦ Sc. Action de saturer; état de ce qui est saturé. ♢ Action de dissoudre dans un liquide la masse maximale d une substance à une température et sous une pression déterminées;… …   Encyclopédie Universelle

  • Saturation — or saturated generally means thoroughly full , while unsaturated means less than full. These terms may be related to: * Dew point, which is a temperature that occurs when atmospheric humidity reaches 100% and the air can hold no more moisture *… …   Wikipedia

  • Saturation — Sat u*ra tion, n. [L. saturatio: cf. F. saturation.] 1. The act of saturating, or the state of being saturating; complete penetration or impregnation. [1913 Webster] 2. (Chem.) The act, process, or result of saturating a substance, or of… …   The Collaborative International Dictionary of English

  • saturation — (n.) 1650s, from L.L. saturationem, noun of action from pp. stem of saturare (see SATURATE (Cf. saturate)). Saturation bombing is from 1942, first in reference to Allied air raid on Cologne …   Etymology dictionary

  • saturation — ► NOUN 1) the action of saturating or the state of being saturated. 2) (before another noun ) to the fullest extent: saturation bombing …   English terms dictionary

  • Saturation — (v. lat.), so v.w. Sättigung 3) u. 4) …   Pierer's Universal-Lexikon

  • Saturation — (lat.), soviel wie Sättigung (s. Sättigen); besonders in der Zuckerfabrikation (auch Karbonation) die Befreiung des mit Kalk geschiedenen Rübensaftes von überschüssigem Kalk durch Kohlensäure. Als Arzneiform eine mit einer Säure neutralisierte… …   Meyers Großes Konversations-Lexikon

  • Saturation — Saturatiōn (lat.), Sättigung (s.d.); pharmazeutisch mit Kohlensäure gesättigte Salzlösungen, die durch Zusatz von Alkalikarbonaten zu Säurelösungen hergestellt werden. Bekannteste S. der Riversche Trank …   Kleines Konversations-Lexikon

  • saturation — index maximum (amplitude), osmosis, plethora, sufficiency, surfeit Burton s Legal Thesaurus. William C. Burton. 2006 …   Law dictionary

  • saturation — [sach΄ə rā′shən] n. [LL saturatio] 1. a saturating or being saturated 2. the degree of purity of a color, as measured by its freedom from mixture with white; intensity of hue 3. the condition of a magnetic substance that has been magnetized to… …   English World dictionary

  • saturation — (sa tu ra sion) s. f. 1°   Terme de chimie. Le terme où, les affinités réciproques des deux principes d un corps binaire étant satisfaites, aucun des deux principes n est plus susceptible de s unir avec une nouvelle quantité de l autre. La… …   Dictionnaire de la Langue Française d'Émile Littré

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