from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. A tropical Asian grass (Cymbopogon nardus) having bluish-green, lemon-scented leaves and an essential oil.
  • n. A pale yellow to brownish aromatic oil obtained from this plant, used chiefly in perfumery and also in some insect repellents and commercial flavorings.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A tropical Asian grass, Cymbopogon nardus, that has lemon-scented leaves
  • n. An essential oil obtained from this plant

from The Century Dictionary and Cyclopedia

  • n. A fragrant grass, Andropogon Nardus, extensively cultivated in Ceylon and Singapore for an oil (citronella-oil) which is obtained from it.


from The American Heritage® Dictionary of the English Language, 4th Edition

New Latin, from French citronnelle, lemon oil, diminutive of citron, citron; see citron.

from Wiktionary, Creative Commons Attribution/Share-Alike License

From French citronnelle.


  • Lemongrass aka citronella is a natural deterent for mosquitoes.

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  • I've used Q-Tips soaked in citronella oil used in lamps.

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  • Unlike other spray collars that traditionally contain liquids such as citronella, which can interfere with the dog's necessary sense of smell, JetCare® System cold spray training and anti-bark collar for dogs contains only an inert cold spray that is completely odorless and harmless to the dog. Press Releases

  • Volatile plant oils such as citronella, lemon eucalyptus, peppermint and cinnamon are all natural repellents.


  • Mary Spaeth, owner of Paws in the Country dog boarding and day care near Rice, said homemade repellants might also work: Ticks can't stand essential oils such as citronella, eucalyptus and peppermint.


  • (mulberry root), "citronella," Eng., possesses the same therapeutic properties as the former.

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  • It was weighed down at the edges with a citronella candle and a margarita.

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  • Devices such as candles and torches that use citronella oil were found to not work as well, Rangan says.

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  • I'm not too fond of slathering DEET all over me and citronella just does not do the trick.

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  • Last autumn he visited the emergency room after accidentally clipping his finger in a hedge trimmer, which seemed quite dire relative to the wheezing infant of freaked-out first-time parents, an elderly woman who gargled citronella torch fuel she mistook for mouthwash, and a teenager too stoned to notice or mind that his right foot pointed back instead of front, the result of a Jackass copycat stunt gone bad.

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  • Citronella oil is one of the essential oils obtained from the leaves and stems of different species of Cymbopogon. The oil is used extensively as a source of perfumery chemicals such as citronellal, citronellol and geraniol. These chemicals find extensive use in soap, perfumery, cosmetic and flavouring industries throughout the world.

    Citronella oil is also a renowned plant-based insect repellent, and has been registered for this use in the United States since 1948. The EPA considers oil of citronella as a biopesticide with a non-toxic mode of action. Research also shows that citronella oil has strong antifungal properties,and effective in calming barking dogs.


    March 12, 2008