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Hasil cari dari kata atau frase: radon(0.01142 detik)
Found 2 items, similar to radon.
English → English (WordNet)
n : a radioactive gaseous element formed by the disintegration
of radium; the heaviest of the inert gasses; occurs
naturally (especially in areas over granite) and is
considered a hazard to health [syn: Rn, atomic number 86
English → English (gcide)
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.
Statues, with winding ivy crowned, belong
To nobler poets for a nobler song. --Dryden.
2. Grand; stately; magnificent; splendid; as, a noble
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.
Note: Noble is used in the formation of self-explaining
compounds; as, noble-born, noble-hearted, noble-minded.
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
Syn: Honorable; worthy; dignified; elevated; exalted;
superior; sublime; great; eminent; illustrious;
renowned; stately; splendid; magnificent; grand;
magnanimous; generous; liberal; free.