citronella oil
noun
: a yellowish essential oil with a lemony odor obtained from either of two grasses and used especially as an insect repellent:
a
: an oil from citronella grass containing chiefly geraniol
b
: an oil from a related grass (Cymbopogon winterianus) containing citronellal, citronellol, and geraniol
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“Citronella oil.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/citronella%20oil. Accessed 31 Oct. 2025.
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