combination

Universal Words noun 1 [C] two or more things joined or mixed together to form a single unit: His treatment was a combination of surgery, radiation and drugs. * What an unusual combination of flavours! * Technology and good management:a winning combination (= one that will certainly be successful). * Many course combinations are possible. 2 [U] the act of joining or mixing together two or more things to form a single unit: The firm is working on a new product in combination with several overseas partners. * These paints can be used individually or in combination. 3 [C] a series of numbers or letters used to open a combination lock: I can't remember the combination. 4 (combinations) (BrE) [pl.] a piece of underwear covering the body and legs, worn in the past