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The set of integers is closed under addition: .
b) Not operating or conducting trade
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closed
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closed — S3 [kləuzd US klouzd] adj 1.) not open = ↑shut ≠ ↑open ▪ Make sure all the windows are closed. ▪ She kept her eyes tightly closed. 2.) [not before noun] if a shop, public building etc is closed, it is not open and people cannot enter or use it =… … Dictionary of contemporary English
closed — [ klouzd ] adjective ** ▸ 1 covering passage/hole ▸ 2 not doing business ▸ 3 not allowed to everyone ▸ 4 not considering ideas ▸ 5 with fixed number of something ▸ 6 forming complete circle ▸ + PHRASES 1. ) if a door, window, lid, etc. is closed … Usage of the words and phrases in modern English
closed — adj. 1. having an opening obstructed. [Narrower terms: {blind}] Also See: {obstructed}, {sealed}, {shut}, {unopen}, {closed}. Antonym: {open}. [WordNet 1.5] 2. (Math.) of a curve or surface: having no end points or boundary curves; of a set:… … The Collaborative International Dictionary of English
Closed — may refer to: Math Closure (mathematics) Closed manifold Closed orbits Closed set Closed differential form Closed map, a function that is closed. Other Cloister, a closed walkway Closed circuit television Closed, an online community at the social … Wikipedia
Closed — GmbH Rechtsform GmbH Gründung 1978 Sitz Hamburg, Deutschland … Deutsch Wikipedia
closed — [klōzd] adj. 1. not open; shut [a closed door] 2. covered over or enclosed [a closed wagon] 3. functioning independently; self sufficient [a closed economic system] 4. not receptive to new or different ideas [a closed mind] 5 … English World dictionary
closed — [kləʊzd ǁ kloʊzd] adjective not open for business: • The markets were closed on Monday and Tuesday for the Christmas holiday. * * * closed UK US /kləʊzd/ adjective ► not open for business: »The bank s closed now, but I can get some money out with … Financial and business terms
closed — adj 1: confined to a few closed membership 2: excluding outsiders or witnesses: conducted in secrecy closed hearings Merriam Webster’s Dictionary of Law. Merriam Webster. 1996 … Law dictionary
closed — ► ADJECTIVE 1) not open or allowing access. 2) not communicating with or influenced by others. ● behind closed doors Cf. ↑behind closed doors ● a closed book Cf. ↑a closed book … English terms dictionary
closed — klōzd adj 1) being a complete self contained system with nothing transferred in or out <a closed thermodynamic system> 2) covered by unbroken skin <a closed fracture> 3) not discharging pathogenic organisms to the outside <a case… … Medical dictionary
closed — pp. adj. from CLOSE (Cf. close) (v.). Closed circuit is attested from 1827; closed shop in union sense from 1904; closed system first recorded 1896 in William James … Etymology dictionary
