Akademik

undecyl

\\|ən|desə̇l, -dēs-\ noun

Etymology: International Scientific Vocabulary undec- + -yl

: an alkyl radical C₁₁H₂₃ derived from an undecane; especially : the normal radical CH₃(CH₂)₉CH₂− — called also hendecyl

Useful english dictionary. 2012.