Rhacochilus, rak-ō-kī′lus, n. a genus of embiotocoid fishes. [Gr. rhakos, a rag, cheilos, the lip.]
Rhacophorus, rā-kof′ō-rus, n. a genus of batrachians, with long and webbed feet, adapting it for long leaps. [Gr. rhakos, a rag, pherein, to bear.]
Rhadamanthine, ra-da-man′thin, n. of Rhadamanthus, judge of the lower world, with Minos and Æacus—applied generally to a solemn and final judgment.—Also Rhadaman′tine.
Rhætian, rē′shi-an, adj. pertaining to the ancient Rhætians or their country Rhætia, a Roman province between the Po and the Danube—also Rhæ′tic.—adj. and n. Rhæ′to-Roman′ic, pertaining to a group of Romance dialects spoken in south-eastern Switzerland.—Rhætic beds, a series of strata forming the uppermost portion of the Trias, extensively developed in the Rhætian Alps.
Rhagades, rag′a-dēz, n.pl. fissures of the skin. [Gr. rhagas (pl. rhagades), a crack.]
Rhagodia, ra-gō′di-a, n. a genus of apetalous plants. [Gr. rhagōdēs, like grapes—rhax, rhagos, a grape.]
Rhagon, rag′on, n. a form of sponge with clustered spherical flagellated endodermal chambers.—adjs. Rhag′onāte, Rhag′ose. [Gr. rhax, rhagos, a grape.]
Rhamnaceæ, ram-nā′sē-ē, n. an order of polypetalous plants.—adj. Rhamnā′ceous.
Rhamnus, ram′nus, n. a genus of polypetalous shrubs and trees, including the buckthorn. [Gr.]
Rhamphastidæ, ram-fas′ti-dē, n. a family of picarian birds, toucans. [Gr. rhamphos, a beak.]