secondary fatty alcohol 30.026 *C(O)* a secondary fatty alcohol CH2OR2 A fatty alcohol consisting of a chain of 3 to greater than 27 carbon atoms in which a hydroxy group is attached to a saturated carbon atom different from the terminal carbons. Secondary fatty alcohols may be saturated or unsaturated and may be branched or unbranched. 0 chebi_ontology 30.01056 CHEBI:167095 fatty alcohol