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Hasil cari dari kata atau frase: rubidium (0.03542 detik)
Found 2 items, similar to rubidium.
English → English (WordNet)
Definition: rubidium
rubidium
n : a soft silvery metallic element of the alkali metal group;
burns in air and reacts violently in water; occurs in
carnallite and lepidolite and pollucite [syn:
Rb,
atomic number 37
]
English → English (gcide)
Definition: Rubidium
Rubidium
\Ru*bid"i*um\, n. [NL., fr. L. rubidus red, fr. rubere
to be red. So called from two dark red spectroscopic lines by
means of which it was discovered in the lepidolite from
Rozena, Moravia. See
Rubicund.] (Chem.)
A rare metallic element of the alkali metal series, atomic
number 37. It occurs quite widely, but in small quantities,
and always combined. It is isolated as a soft yellowish white
metal, analogous to potassium in most of its properties.
Symbol Rb. Atomic weight, 85.48.
[1913 Webster]
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