OIL OF ROSE
\ˈɔ͡ɪl ɒv ɹˈə͡ʊz], \ˈɔɪl ɒv ɹˈəʊz], \ˈɔɪ_l ɒ_v ɹ_ˈəʊ_z]\
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[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 12.5 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.
By Smith Ely Jelliffe