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krypton 音标拼音: [kr'ɪptɑn] n. 氪 氪 krypton n 1: a colorless element that is one of the six inert gasses; occurs in trace amounts in air [ synonym: { krypton}, { Kr}, { atomic number 36}] 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]
Krypton \ Kryp" ton\ ( kr[ i^] p" t[ o^] n), n. [ NL., fr. Gr. krypto` n, neut. of krypto` s hidden.] ( Chem.) An inert gaseous element of the argon ( noble gas) group, of atomic number 36, occurring in air to the extent of about one volume in a million. It was discovered by Ramsay and Travers in 1898. Boiling point, - 152. 3[ deg] C.; melting point, - 156. 6[ deg] C.; symbol, Kr; atomic weight, 83. 8. [ Webster 1913 Suppl.] |
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