pentadecyl
/ˌpɛntəˈdɛsʌɪl/ /ˌpɛntəˈdɛsɪl/Chemistry
noun
Any of the series of hydrocarbon radicals —C15H31 derived from the pentadecanes; specifically the straight-chain radical —CH2(CH2)13CH3. Usually attributive or a formative element in chemical names.
Origin
Late 19th century; earliest use found in Henry Watts (1815–1884), chemist. From penta- + decyl; compare French pentadécyle.