連れん鎖さ律りつMeanings1nounchain rulemathematicsA fundamental rule in calculus for differentiating composite functions. Used in mathematical contexts.連れん鎖さ律りつを使つかって、合ごう成せい関かん数すうの微び分ぶんを求もとめます。We find the derivative of the composite function using the chain rule.