cinnamic alcohol noun Chemistry. a white, water-insoluble, crystalline solid, C9H10O, having a hyacinthine odor, used chiefly as a scent in the manufacture of perfumes. Liberaldictionary.com What It Really Means to Call Someone "Crude" Can You Translate These Famous Phrases From Emoji? These Are the Longest Words in English These Are the Saddest Phrases in English Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019