(chemistry) A short tubular opening at the top of a retort, or at the top or side of a bottle; a tubulation.

The state or condition of being unfixable.

(pharmacology) A molecule used as a contrast medium.

(Canada, US, sports television) A time-out taking place during a televised sports match where the game clock is stopped for a period of time to allow for TV commercials to air before the resumption...