rosatus (ros-at'us). from roses

Containing, or made rose. i. The genus Rosa. 2. A flower of a plant of that genus, atar (or athar, or attar) of r. (or r's). See oil of r. oil of r. [U. S. Ph., Br. Ph.]. Attar of r.; a volatile oil distilled from the petals of Rosa damascena [U. S. Ph.] and various other species of Rosa. If rapidly cooled to 12.50 C. it solidifies, owing to the separation of crystals of a stearoptene. The strong diffusive odor is due entirely to the liquid portion. Oil of r. is used as a perfume and for making r. water, ottar (or otto) of r's. See oil of r. pale r. Cabbage r. petals; the petals of R. cent i folia. They are now chiefly used to prepare r. water [U. S. Ph., 1890]. red r. petals. The unexpanded petals of Rosa gallica. They are somewhat tonic and astringent [U. S. Ph., Br. Ph.]. [Lat., rosa.']