Definition of "chain rule" [chain rule]

• A theorem for solving numerical problems by composition of ratios, or compound proportion, by which, when several ratios of equality are given, the consequent of each being the same as the antecedent of the next, the relation between the first antecedent and the last consequent is discovered. (noun)

Gnu Collaboartive International Dictionary of English: licensed under The Code Project Open License (CPOL)