Meaning of COMBINATION in English

COMBINATION

/ ˌkɒmbɪˈneɪʃn; NAmE ˌkɑːm-/ 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. That's a winning combination (= one that will certainly be successful) .

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

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WORD ORIGIN

late Middle English : from late Latin combinatio(n-) , from the verb combinare join two by two, from com- together + Latin bini two together.

Oxford Advanced Learner's English Dictionary.      Оксфордский английский словарь для изучающик язык на продвинутом уровне.