cetyl / setal [ˈsi:təl]
cetyl – n. – 1. a univalent radical, C16H33, compounds of which occur in waxes (as beeswax, spermaceti)
setal – adj. – relating to a seta (hair of caterpillar, spine or carapace of crustaceans, etc.), slender typically rigid or springy organs or parts of animals or plants