■ noun informal something that is not known and on which a great deal depends.
Origin
1940s: orig. sixty-four dollar question , from a question posed for the top prize in a broadcast quiz show.
■ noun informal something that is not known and on which a great deal depends.
Origin
1940s: orig. sixty-four dollar question , from a question posed for the top prize in a broadcast quiz show.
Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004