The time of day in the time zone that encompasses a central portion of the United States.

The timezone that encompasses the East coast of the United States, and parts of Canada during winter and late autumn; it is five hours behind Greenwich Mean Time.

A test that measures a binary value without error.

(chemistry) Containing bivalent tin.

If you cannot handle the pressure, you should not remain in a position where you have to deal with it.

Operating, functioning, or existing without additions or assistance; independent; able to be separate or separated.

(rare) A device that can operate on its own, rather than as an accessory for another device. / (by extension) Something that is not a part of some series or sequence.

US and Oxford British English standard spelling of standardise.

(US, idiomatic, humorous) To leave an establishment speedily.

The situation where two groups or individuals are the same in pertinent ways, but one is condemned for it while the other is excused.