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Showing words for RUBIDIUM using the English dictionary

8 Letter Words for Rubidium

rubidium

6 Letter Words for Rubidium

midrib

5 Letter Words for Rubidium

bidri, durum, mirid, mudir, murid, umiri

4 Letter Words for Rubidium

bdrm, bidi, bird, biri, brid, brim, brum, burd, buri, drib, drub, drum, duim, dumb, ibid, ibrd, imbu, imid, irid, midi, mird, miri, muid, muir, rimu, rumb, urdu, urim

3 Letter Words for Rubidium

bid, bim, bmr, bud, bum, bur, dib, dim, dir, dub, dui, dum, dur, ibm, imi, imu, iud, mbd, mib, mid, mir, mrd, mri, mud, rbi, rib, rid, rim, rub, rud, rum, ubi, umu, urb, urd

Definitions for Rubidium

[1] a silver-white, metallic, active element resembling potassium, used in photoelectric cells and radio vacuum tubes. Symbol : Rb; atomic weight : 85.47; atomic number : 37; specific gravity : 1.53 at 20°C.
[2] 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, and special glass. Symbol: Rb; atomic no: 37; atomic wt: 85.4678; half-life of 87 Rb: 5 × 10 11 years; valency: 1, 2, 3, or 4; relative density: 1.532 (solid), 1.475 (liquid); melting pt: 39.48°C; boiling pt: 688°C

Words nearby Rubidium

rubeosis iridis diabetica, rubescent, rubiaceous, rubicon, rubicund, rubidium, rubidium-strontium dating, rubied, rubify, rubiginous, rubik cube

Origin of Rubidium

1860–65; < New Latin, equivalent to Latin rūbid(us ) red (in allusion to the two red lines in its spectrum) + -ium -ium

Other words from Rubidium

ru·bid·ic , adjective

Word origin for Rubidium

C19: from New Latin, from Latin rubidus dark red, with reference to the two red lines in its spectrum