English Dictionary

roulette

/ɹuːˈlɛt/

noun

(uncountable) A game of chance, in which a small ball is made to move round rapidly on a circle divided off into numbered red and black spaces, the one on which it stops indicating the result of a variety of wagers permitted by the game.

I enjoy playing roulette at the casino.

意味（1）

(uncountable) A game of chance, in which a small ball is made to move round rapidly on a circle divided off into numbered red and black spaces, the one on which it stops indicating the result of a variety of wagers permitted by the game.

意味（2）

(uncountable, figuratively) An instance of risk-taking, especially when the downside exceeds the upside (contrary to the game of roulette where only the wager is lost).

Doctors and health officials said that the WRC-TV documentary, DPT: Vaccine Roulette, emphasized the risks of the vaccine while ignoring the dangers of the disease, which has been almost wiped out in this country.

意味（3）

(countable) A small toothed wheel used by engravers to roll over a plate in order to produce rows of dots.

意味（4）

(countable) A similar wheel used to roughen the surface of a plate, as in making alterations in a mezzotint.

意味（5）

(countable, geometry) The locus of a point on a plane curve that rolls without slipping along another fixed plane curve.

意味（6）

(philately) Any of the small incisions on a sheet of stamps, used as an alternative to perforations.

意味（7）

A cylindrical curler for the hair.