(n) a white hard metallic element that is one of the platinum group and is found in platinum ores; used in alloys with platinum, Syn.Rh, atomic number 45
The Collaborative International Dictionary of English (GCIDE) v.0.53
n. [ NL., from Gr. &unr_;&unr_;&unr_;&unr_;&unr_; dog-rose; &unr_;&unr_;&unr_;&unr_;, &unr_;&unr_;&unr_;, dog + &unr_;&unr_;&unr_; 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 ]
‖ [ 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]
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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