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undecylenic acid

[uhn-des-uh-len-ik, uhn-] /ˈʌn dɛs əˈlɛn ɪk, ˌʌn-/
noun, Chemistry.
a light-colored liquid with a fruity odor, C 11 H 21 O 2 , soluble in alcohol and ether: used in perfumes, flavors, plastics, and medicine.
Origin of undecylenic acid
1905-10; undec(a)- eleven (as in undecagon) + -yl + -ene + -ic Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2016.
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