hymnology
Hym*nol"o*gy, n. Etym: [Gr. -logy: cf. F. hymnologie.] 1. The hymns or sacred lyrics composed by authors of a particular country or period; as, the hymnology of the eighteenth century; also, the collective body of hymns used by any particular church or religious body; as, the Anglican hymnology. 2. A knowledge of hymns; a treatise on hymns.