cycloheptaneWiktionary 原文英美构词拆解cyclocyclo-前缀heptaneheptane词干cyclo-Circle, circular. · (chemistry) A cyclic compound.词源说明From cyclo- + heptane.释义名词noun1(organic chemistry) An alicyclic hydrocarbon, C7H14; a volatile inflammable liquid.同族词派生词 5cycloheptannulated·cycloheptannulation·