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[juh-rey-nee-awl, -ol]
noun Chemistry.
  1. a colorless or pale-yellow terpene alcohol, C10H18O, with a geraniumlike odor, found in rose oil, soluble in alcohol and ether, insoluble in water: used in perfumes and flavors.
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Origin of geraniol

< German Geraniol (1871); see geranium, -ol1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for geraniol

Historical Examples of geraniol

  • It is very largely used for perfuming cheap soaps, and also serves as a source for the production of geraniol.

    The Handbook of Soap Manufacture

    W. H. Simmons

  • This oil consists mainly of linalol, together with small quantities of methyl heptenone, geraniol, and d-terpineol.

  • The oil consists chiefly of geraniol, free, and combined with acetic and caproic acids, and dipentene.

  • Among its constituents are limonene, linalyl acetate, geraniol and geranyl acetate.

  • It is also a favourite adulterant for otto of rose, and is used as a source of geraniol.

British Dictionary definitions for geraniol


  1. a colourless or pale yellow terpine alcohol with an odour of roses, found in many essential oils: used in perfumery. Formula: C 10 H 18 O
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Word Origin for geraniol

C19: from gerani (um + alcoh) ol
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012