n.univalent alcohol radical found in spermaceti, beeswax, etc., 1842, from Latin cetus "whale" (see Cetacea) + -yl. if (window.googletag) {googletag.cmd.push(function() { googletag.display('dcomMobileSERPDisplayTopAd-300x250'); });} else {console.error('googletag not defined, dcomMobileSERPDisplayTopAd-300x250');} n.The univalent radical C16H33 occurring in compounds found in waxes.