A mistake made during the process of typing, especially one caused by a slip of the fingers. / A mistake made during the process of typesetting.

(biology) The extinction of an organism (usually microorganisms) due to excessive RNA mutations.

(mathematics) The difference (sometimes defined to be the absolute difference) between the measured or inferred value of a quantity and its true value.

(geometry, geomagnetism) The combination of variation and deviation which is the horizontal angle between the direction indicated by a magnetic compass and true north.

(statistics) An expression of the lack of precision in the results obtained from a sample. / An amount, beyond the calculated minimum, added for safety.

(statistics) The error caused by observing a sample instead of the whole population.

(statistics) The half-range of an interval about a central point for the distribution, such that half of the values from the distribution will lie within the interval and half outside.

(astronomy) A notional box bounding some region of space in which a celestial object is known to exist; its size depends on how accurately the true location is known.

plural of error box

(sports, chiefly tennis) A basic error committed in a tactical game, where errors are usually forced by the game strategy.