laurone

[Eng., ., laur ( in ), and ( acet )one.] Chem.: C23H46O=C12H23O-C11H23, laurostearone. Obtained by the dry distillation of laurate of calcium. It crystallizes from alcohol in shining plates, which melt at 66°. Laurone is the acetone of lauric acid. crystallizes in concentrically-grouped needles, very soluble in water. The silver salt, CoH9O2Ag, is a white crystalline powder, soluble in boiling water. lâur-ŭs, s. [Lat. the bay-tree ( Laurus nobilis ) (see def.).]' Bot.: The typical genus of the order Lauraceӕ. The stamens are twelve, all fertile. The female flower has the succulent fruit surrounded by the persistent base of the calyx. The leaf has a single midrib. Laurus nobilis is the Bay Laurel, the Noble Laurel. [LAUREL.] Various other species, formerly placed under Laurus, have now been removed to the genera Cinnamomum, Camphor a, Sa afras, . (q. v.). laur-ŭs-ti-nŭs, laur-es-tine (laur as lõr), s. [Lat. laurus the laurel, and tin us = the laurustinus.] Bot.: Viburnum tin us , a shrub with pinkish white flowers and dark-blue berries, oblong permanent leaves, hairy beneath, flowering in winter. It is a native of Southern Europe; woods of it are found in Corsica.