Meaning Of The Word Rubidium
What's the definition of Rubidium? Find Rubidium meanings, definitions and more at the Real Dictionary online.
Rubidium Meaning
| Rubidium Definition |
|---|
What's The Definition Of Rubidium?
rubidium in American English
a soft, silvery-white, metallic chemical element, one of the alkali metals, that ignites spontaneously in air and reacts violently in water: used in photocells and in filaments of vacuum tubes: symbol, Rb; at. no., 37 noun: a silver-white, metallic, active element resembling potassium, used in photoelectric cells and radio vacuum tubes; at. wt.: 85.47; at. no.: 37; sp. gr.: 1.53 at 20°C rubidium in British English noun: a soft highly reactive radioactive element of the alkali metal group; the 16th most abundant element in the earth's crust (310 parts per million), occurring principally in pollucite, carnallite, and lepidolite. It is used in electronic valves, photocells, |
More Definitions
A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z
Definitions Of The Day
- Comminute ‐ to reduce to small, fine particles; make into…
- Graupel ‐ a kind of precipitation consisting of brittle…
- Repton ‐ noun: Humphry. 1752–1818, English landscape…
- Quarterlight ‐ noun: a small pivoted window in the door of a…
- Unprovided ‐ not provided…
- Achebe ‐ ˈ Chinˌua (ˈtʃɪnˌwɑ ) (born Albert Chinualumgu)…
- Bandswoman ‐ Bandswomen are musicians in a band, especially…
- Bumble around ‐ phrasal verb: When someone bumbles around or bumbles…
- Ire ‐ anger; wrath; Ireland; abbreviation: Ireland…
- Forbid ‐ to rule against; not permit; prohibit; transitive…