| slovo | definícia |
rhodium
(encz) | rhodium,rhodium n: Zdeněk Brož |
rhodium
(czen) | rhodium,rhodiumn: Zdeněk Brož |
Rhodium
(gcide) | Rhodium \Rho"di*um\, n. [NL., fr. Gr. "ro`don the rose. So
called from the rose-red color of certain of its solutions.
See Rhododendron.] (Chem.)
A rare element of the light platinum group. It is found in
platinum ores, and obtained free as a white inert metal which
it is very difficult to fuse. Symbol Rh. Atomic weight 104.1.
Specific gravity 12.
[1913 Webster] |
rhodium
(wn) | rhodium
n 1: a white hard metallic element that is one of the platinum
group and is found in platinum ores; used in alloys with
platinum [syn: rhodium, Rh, atomic number 45] |
rhodium
(elements) | rhodium
Symbol: Rh
Atomic number: 45
Atomic weight: 102.905
Silvery white metallic transition element. Found with platinum and used
in
some platinum alloys. Not attacked by acids, dissolves only in aqua
regia.
Discovered in 1803 by W.H. Wollaston.
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Cynarrhodium
(gcide) | Cynarrhodium \Cyn`ar*rho"di*um\ (s?n`?r-r?"d?-?m), n. [NL., from
Gr. ????? dog-rose; ????, ???, dog + ??? rose.] (Bot.)
A fruit like that of the rose, consisting of a cup formed of
the calyx tube and receptacle, and containing achenes.
[1913 Webster] |
Lignum rhodium
(gcide) | Lignum rhodium \Lig"num rho"di*um\ (l[i^]g"n[u^]m
r[=o]"d[i^]*[u^]m). [NL., fr. L. lignum wood + Gr. "ro`don a
rose.] (Bot.)
The fragrant wood of several shrubs and trees, especially of
species of Rhodorhiza from the Canary Islands, and of the
West Indian Amyris balsamifera.
[1913 Webster] |
Rhodium
(gcide) | Rhodium \Rho"di*um\, n. [NL., fr. Gr. "ro`don the rose. So
called from the rose-red color of certain of its solutions.
See Rhododendron.] (Chem.)
A rare element of the light platinum group. It is found in
platinum ores, and obtained free as a white inert metal which
it is very difficult to fuse. Symbol Rh. Atomic weight 104.1.
Specific gravity 12.
[1913 Webster] |
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