(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. [ Gr. &unr_;&unr_;&unr_; (sc. &unr_;&unr_;&unr_;); 'oxy`s acid + &unr_;&unr_;&unr_;&unr_; made of roses, "ro`don rose.] (Med.) A mixture of two parts of the oil of roses with one of the vinegar of roses. Floyer. [1913 Webster]
a. [ L. Rhodius: cf. F. rhodien. ] Of or pertaining to Rhodes, an island of the Mediterranean. -- n. A native or inhabitant of Rhodes. [ 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]
a. [ Gr. &unr_;&unr_;&unr_; to be rose-red. ] (Chem.) Pertaining to, or designating, a colorless crystalline substance (called rhodizonic acid, and carboxylic acid) obtained from potassium carboxide and from certain quinones. It forms brilliant red, yellow, and purple salts. [ 1913 Webster ]
n. [ 1st uro- + Gr. &unr_; a rose. ] (Physiol. Chem.) Indigo red, a product of the decomposition, or oxidation, of indican. It is sometimes found in the sediment of pathological urines. It is soluble in ether or alcohol, giving the solution a beautiful red color. Also called indigrubin. [ 1913 Webster ]
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