[er-er] /ˈɛr ər/
a deviation from accuracy or correctness; a mistake, as in action or speech:
His speech contained several factual errors.
belief in something untrue; the holding of mistaken opinions.
the condition of believing what is not true:
in error about the date.
a moral offense; wrongdoing; sin.
Baseball. a misplay that enables a base runner to reach base safely or advance a base, or a batter to have a turn at bat prolonged, as the dropping of a ball batted in the air, the fumbling of a batted or thrown ball, or the throwing of a wild ball, but not including a passed ball or wild pitch.
Mathematics. the difference between the observed or approximately determined value and the true value of a quantity.
Philately. a stamp distinguished by an error or errors in design, engraving, selection of inks, or setting up of the printing apparatus.
Compare 1 (def 5), (def 8).
a mistake or inaccuracy, as in action or speech: a typing error
an incorrect belief or wrong judgment
the condition of deviating from accuracy or correctness, as in belief, action, or speech: he was in error about the train times
deviation from a moral standard; wrongdoing: he saw the error of his ways
(maths, statistics) a measure of the difference between some quantity and an approximation to or estimate of it, often expressed as a percentage: an error of 5%
(statistics) See type I error, type II error
also, through 18c., errour, c.1300, from Old French error “mistake, flaw, defect, heresy,” from Latin errorem (nominative error) “a wandering, straying, mistake,” from errare “to wander” (see err).
Words for “error” in most Indo-European languages originally meant “wander, go astray” (but cf. Irish dearmad “error,” from dermat “a forgetting”).
error er·ror (ěr’ər)
noun, Surveying. 1. the amount by which a closed traverse fails to satisfy the requirements of a true mathematical figure, as the length of line joining the true and computed position of the same point. 2. the ratio of this linear error to the perimeter of the traverse. 3. (for angles) the amount by which […]
[ur, er] /ɜr, ɛr/ verb (used without object) 1. to go astray in thought or belief; be mistaken; be incorrect. 2. to go astray morally; sin: To err is human. 3. Archaic. to deviate from the true course, aim, or purpose. /ɜː/ verb (intransitive) 1. to make a mistake; be incorrect 2. to stray from […]
[urs, airs] /ɜrs, ɛərs/ noun 1. . 1. Emergency Radio Service. 1. a semantically empty suffix that creates informal variations of more neutral nouns and adjectives by processes of truncation identical to those of 7. (champers; preggers; starkers); unlike that suffix, however, -ers, is apparently productive, and words formed with it do not appear to […]
[er-zahts, -sahts, er-zahts, -sahts] /ˈɛr zɑts, -sɑts, ɛrˈzɑts, -ˈsɑts/ adjective 1. serving as a substitute; synthetic; artificial: an ersatz coffee made from grain. noun 2. an artificial substance or article used to replace something natural or genuine; a substitute. /ˈɛəzæts; ˈɜː-/ adjective 1. made in imitation of some natural or genuine product; artificial noun 2. […]