n. [ Hydro-, 1 + salt. ] (Chem.) (a) A salt supposed to be formed by a hydracid and a base. (b) An acid salt. [ R. ] (c) A hydrous salt; a salt combined with water of hydration or crystallization. [ 1913 Webster ]
a. [ See Petrous. ] (Anat.) (a) Hard; stony; petrous; as, the petrosal bone; petrosal part of the temporal bone.(b) Of, pertaining to, or in the region of, the petrous, or petrosal, bone, or the corresponding part of the temporal bone. [ 1913 Webster ]
Petrosal bone (Anat.), a bone corresponding to the petrous portion of the temporal bone of man; or one forming more or less of the periotic capsule. [ 1913 Webster ]
‖n. [ Cf. F. rosalie. ] (Mus.) A form of melody in which a phrase or passage is successively repeated, each time a step or half step higher; a melodic sequence. [ 1913 Webster ]
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