citronella

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cit·ro·nel·la

 (sĭt′rə-nĕl′ə)
n.
1. A tropical Asian grass (Cymbopogon nardus) that has bluish-green, lemon-scented leaves and yields an essential oil.
2. A pale yellow to brownish aromatic oil obtained from this plant, used chiefly in perfumery and also in some insect repellents and commercial flavorings.

[New Latin, from French citronnelle, lemon oil, diminutive of citron, citron; see citron.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

citronella

(ˌsɪtrəˈnɛlə)
n
1. (Plants) Also called: citronella grass a tropical Asian grass, Cymbopogon (or Andropogon) nardus, with bluish-green lemon-scented leaves
2. (Biochemistry) Also called: citronella oil the yellow aromatic oil obtained from this grass, used in insect repellents, soaps, perfumes, etc
[C19: New Latin, from French citronnelle lemon balm, from citron lemon]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

cit•ron•el•la

(ˌsɪ trəˈnɛl ə)

n.
1. a fragrant, S Asian grass, Cymbopogon nardus, cultivated as the source of citronella oil.
[1855–60; < New Latin < French citronelle=citron citron + -elle diminutive suffix]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.

cit·ro·nel·la

(sĭt′rə-nĕl′ə)
The pale-yellow, lemon-scented oil obtained from the leaves of a tropical Asian grass, used in insect repellents and perfumes.
The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
References in periodicals archive ?
All Pure Pooch shampoos are soap-free and contain a blend of natural neem and citronella oils to help protect dogs from pests in the great outdoors, and yet won't neutralize any needed flea and tick treatments when used as directed.
Today, that advice still is given, even as store shelves are lined with more citronella oils, geranium extracts and other DEET alternatives than ever before.