Reverse the direction of (an alternating electric current) each half cycle so as to produce a unidirectional current.

Roget 794: barter, exchange, swap, swop^†, truck, scorse^†; interchange etc. 148; commutate etc. (substitute) 147; compound for.    trade, traffic, buy and sell, give and take, nundinate^†; carry on a trade, ply a trade, drive a trade; be in business, be in the city; keep a shop, deal in, employ one's capital in.    trade with, deal with, have dealings with; transact business with, do business with; open an account with, keep an account with.    bargain; drive a bargain, make a bargain; negotiate, bid for; haggle, higgle^†; dicker [U.S.]; chaffer, huckster, cheapen, beat down; stickle, stickle for; out bid, under bid; ask, charge; strike a bargain etc. (contract) 769.    speculate, give a sprat to catch a herring; buy in the cheapest and sell in the dearest buy in the cheapest and sell in the dearest market, buy low and sell high; corner the market; rig the market, stag the market.    ... show more