Noble No"ble, a. [Compar. {Nobler}; superl. {Noblest}.] [F. noble, fr. L. nobilis that can be or is known, well known, famous, highborn, noble, fr. noscere to know. See {know}.] 1. Possessing eminence, elevation, dignity, etc.; above whatever is low, mean, degrading, or dishonorable; magnanimous; as, a noble nature or action; a noble heart. [1913 Webster]

Statues, with winding ivy crowned, belong To nobler poets for a nobler song. --Dryden. [1913 Webster]

2. Grand; stately; magnificent; splendid; as, a noble edifice. [1913 Webster]

3. Of exalted rank; of or pertaining to the nobility; distinguished from the masses by birth, station, or title; highborn; as, noble blood; a noble personage. [1913 Webster]

Note: Noble is used in the formation of self-explaining compounds; as, noble-born, noble-hearted, noble-minded. [1913 Webster]

{Noble gas} (Chem.), a gaseous element belonging to group VIII of the periodic table of elements, not combining with other elements under normal reaction conditions; specifically, {helium}, {neon}, {argon}, {krypton}, {xenon}, or {radon}; also called {inert gas}.

{Noble metals} (Chem.), silver, gold, and platinum; -- so called from their resistance to oxidation by air and to dissolution by acids. Copper, mercury, aluminium, palladium, rhodium, iridium, and osmium are sometimes included. [1913 Webster]

Syn: Honorable; worthy; dignified; elevated; exalted; superior; sublime; great; eminent; illustrious; renowned; stately; splendid; magnificent; grand; magnanimous; generous; liberal; free. [1913 Webster]

The Collaborative International Dictionary of English. 2000.

Look at other dictionaries:

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  • radon — RADÓN s.n. Element chimic gazos cu proprietăţi radioactive, format prin dezintegrarea radiului. – Din fr. radon. Trimis de LauraGellner, 02.07.2004. Sursa: DEX 98  RADÓN s. (chim., fiz.) emanaţie de radiu. (radon este un element chimic… …   Dicționar Român

  • radon — [ radɔ̃ ] n. m. • 1923; de radium ♦ Phys. Élément radioactif naturel (Rn; no at. 86), gaz rare produit par la désagrégation des isotopes du radium. ● radon nom masculin Élément radioactif de masse atomique 222, de numéro atomique 86. (C est le… …   Encyclopédie Universelle

  • Radon — Ra don (r[=a] d[o^]n), n. (Chem.) An intensely radioactive gaseous element produced by the radioactive decay of radium 226, which is the main isotope of radium found in pitchblende. Chemically it is an inert noble gas. Its atomic symbol is Rn. It …   The Collaborative International Dictionary of English

  • radón — elemento radioactivo gaseoso generado por la desintegración del radio Diccionario ilustrado de Términos Médicos.. Alvaro Galiano. 2010. radón (Rn) Elemento no metálico, radiactivo, inerte …   Diccionario médico

  • radon — Symbol: Rn Atomic number: 86 Atomic weight: (222) Colorless radioactive gaseous element, belongs to the noble gases. Of the twenty known isotopes, the most stable is Rn 222 with a half life of 3.8 days. Formed by the radioactive decay of Radium… …   Elements of periodic system

  • Radon — er et grundstof. Radon findes i alle radioaktive mineraler …   Danske encyklopædi

  • rádon — s. m. [Química] Elemento químico gasoso radioativo (símbolo Rn), de número atômico 86. = RADÃO • [Brasil] Plural: rádones ou rádons. • [Portugal] Plural: rádones.   ‣ Etimologia: francês radon …   Dicionário da Língua Portuguesa

  • Radon — См. Радон Термины атомной энергетики. Концерн Росэнергоатом, 2010 …   Термины атомной энергетики

  • radon — (n.) heaviest gaseous element, 1918, from RADIUM (Cf. radium) (q.v.) + on suffix of inert gases. The element was identified in radioactive decay of radium. Alternative name niton (from L. nitens shining ) gained currency in France and Germany …   Etymology dictionary

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