(statistics) A measure of how spread out data values are around the mean, defined as the square root of the variance. Represented with the Greek letter σ (sigma).

(computing) A 7-bit character set and character encoding, abbreviated ASCII. Based on the Roman alphabet as used in modern English, the code is employed almost universally on computing machinery.

The time zone that encompasses the segment of the United States that includes the Rocky Mountains.

The time of day in the time zone that encompasses the west coast of the United States.

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.

US and Oxford British English standard spelling of standardise.

simple past tense and past participle of standardize

designed or constructed in a standard manner or according to an official standard