| slovo | definícia |
columbium
(encz) | columbium,niob n: Zdeněk Brož |
Columbium
(gcide) | Columbium \Co*lum"bi*um\, n. [NL., fr. Columbia America.]
(Chem.)
A rare element of the vanadium group, first found in a
variety of the mineral columbite occurring in Connecticut,
probably at Haddam. Atomic weight 94.2. Symbol Cb or Nb. Now
more commonly called niobium.
[1913 Webster] |
columbium
(gcide) | niobium \ni*o"bi*um\, n. [NL., fr. L. & E. Niobe.] (Chem.)
The chemical element of atomic number 41. Chemical symbol Nb.
Atomic weight 92.91. Previously called columbium. See also
Columbium.
[1913 Webster] |
columbium
(wn) | columbium
n 1: a former name for niobium |
columbium
(elements) | columbium
The original name for niobium.
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| | podobné slovo | definícia |
columbium
(encz) | columbium,niob n: Zdeněk Brož |
columbium
(gcide) | Columbium \Co*lum"bi*um\, n. [NL., fr. Columbia America.]
(Chem.)
A rare element of the vanadium group, first found in a
variety of the mineral columbite occurring in Connecticut,
probably at Haddam. Atomic weight 94.2. Symbol Cb or Nb. Now
more commonly called niobium.
[1913 Webster]niobium \ni*o"bi*um\, n. [NL., fr. L. & E. Niobe.] (Chem.)
The chemical element of atomic number 41. Chemical symbol Nb.
Atomic weight 92.91. Previously called columbium. See also
Columbium.
[1913 Webster] |
columbium
(wn) | columbium
n 1: a former name for niobium |
columbium
(elements) | columbium
The original name for niobium.
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