rough approximation

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• approximation — ap|prox|i|ma|tion [əˌprɔksıˈmeıʃən US əˌpra:k ] n [U and C] 1.) a number, amount etc that is not exact, but is almost correct = ↑estimate approximation of ▪ an approximation of the total number a rough/crude approximation (=one that is not very… …   Dictionary of contemporary English

• approximation — noun (C, U) 1 a number, amount etc that is not exact, but is almost correct: rough approximation (=not exact at all): Could you give us a rough approximation of the likely cost? 2 something that is similar to another thing, but not exactly the… …   Longman dictionary of contemporary English

• approximation — I noun approach, calculation, computation, contiguity, correspondence, estimate, estimation, inexactitude, inexactness, interpolation, likeness, measure, nearness, neighborhood, parity, propinquity, proximity, reckoning, resemblance, rough… …   Law dictionary

• Rough set — A rough set originated by prof. Zdzisław I. Pawlak is a formal approximation of a crisp set (i.e., conventional set ) in terms of a pair of sets which give the lower and the upper approximation of the original set. The lower and upper… …   Wikipedia

• Approximation in algebraic groups — In mathematics, strong approximation in linear algebraic groups is an important arithmetic property of matrix groups. In rough terms, it explains to what extent there can be an extension of the Chinese remainder theorem to various kinds of… …   Wikipedia

• approximation — noun ADJECTIVE ▪ accurate, close, good, nearest, reasonable ▪ This is the nearest approximation of cost that they can give us. ▪ crude, rough …   Collocations dictionary

• approximation — noun 1) the figure is only an approximation Syn: estimate, estimation, guess, rough calculation; informal guesstimate, ballpark figure 2) an approximation to the truth Syn: semblance, resemblance, likeness, similarity, correspondence …   Thesaurus of popular words

• approximation — /əˌprɒksɪ meɪʃ(ə)n/ noun a rough calculation ● Each department has been asked to provide an approximation of expenditure for next year. ● The final figure is only an approximation …   Dictionary of banking and finance

• approximation — noun 1. an approximate calculation of quantity or degree or worth (Freq. 3) an estimate of what it would cost a rough idea how long it would take • Syn: ↑estimate, ↑estimation, ↑idea • Derivationally related forms: ↑ …   Useful english dictionary

• rough — adj. Rough is used with these nouns: ↑approximation, ↑bark, ↑calculation, ↑childhood, ↑cider, ↑coat, ↑consensus, ↑country, ↑crossing, ↑deal, ↑division, ↑ …   Collocations dictionary

• approximation — I (Roget s IV) n. 1. [Closeness] Syn. resemblance, likeness, approach; see nearness 1 , similarity . 2. [An estimate] Syn. estimate, conjecture, rough idea; see guess . II (Roget s Thesaurus II) noun A rough or tentative calculation: estimate,… …   English dictionary for students