concentration

concentration
I
(Roget's IV) n.
1. [The act of bringing together]
Syn. assembly, consolidation, convergence, collection, combination, massing, amassing, compression, coalescing, compacting, congregation, gathering, flocking, huddling, clustering, fixing, centering, focusing, intensification; see also collection 1 .
Ant. dispersal, separation*, scattering.
2. [Anything brought together]
Syn. company, concourse, audience, miscellany, band, party, flock, herd, mass, group, array; see also army 2 , collection 2 , crowd 1 .
3. [Attention]
Syn. close attention, application, absorption; see attention 1 , 2 , thought 1 .
4. [Density]
Syn. solidity, consistency, frequency, strength; see congestion , density 1 , intensity 1 .
II
(Roget's 3 Superthesaurus) n.
1. thinking centering, focus, study, fixation, consideration, absorption, engrossment, pondering, scrutiny, attention, single-mindedness.
2. collection, gathering assemblage, mass, intensification, focus, converging, consolidation, congregation, centralization, cluster, agglomerate.
ANT.: 1. diversion, absentmindedness, mind-wandering. 2. spread, scattering, dispersal
III
(Roget's Thesaurus II) noun 1. A converging at a common center: confluence, conflux, convergence. See EDGE. 2. Concentration of the mental powers on something: attention, attentiveness, consideration, needfulness, regardfulness. See EXCITE.

English dictionary for students. 2013.

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  • concentration — [ kɔ̃sɑ̃trasjɔ̃ ] n. f. • 1732; de concentrer, d apr. l angl. 1 ♦ Action de concentrer, de réunir en un centre. ⇒ accumulation, assemblage, réunion. La concentration des rayons lumineux au foyer d une lentille. ⇒ convergence. Milit. La… …   Encyclopédie Universelle

  • Concentration 20 — Studio album by Namie Amuro Released July 24, 1997 …   Wikipedia

  • concentration — con‧cen‧tra‧tion [ˌkɒnsnˈtreɪʆn ǁ ˌkɑːn ] noun [uncountable] ECONOMICS when companies combine to form larger companies, resulting in fewer businesses in an industry; = CONSOLIDATION: • Continental, in a move that underlines the growing… …   Financial and business terms

  • Concentration — Con cen*tra tion, n. [Cf. F. concentration.] 1. The act or process of concentrating; the process of becoming concentrated, or the state of being concentrated; concentration. [1913 Webster] Concentration of the lunar beams. Boyle. [1913 Webster]… …   The Collaborative International Dictionary of English

  • Concentration 20 — Album par Namie Amuro Sortie 24 juillet 1997 Enregistrement Complex Studio, Larrabee West, Record Plant Studios, Sony Music Studio, tk sequence 1105st Durée 56:17 Genre …   Wikipédia en Français

  • concentration — CONCENTRATION. s. f. Terme didactique. L action de concentrer, ou l effet de ce qui est concentré. La concentration de la chaleur.Concentration, en termes de Chimie, se dit d Une opération, par laquelle on rapproche sous un moindre volume les… …   Dictionnaire de l'Académie Française 1798

  • concentration — I (centralization) noun agglomeration, aggregation, assemblage, collection, combination, compilation, confluence, contemplation, cumulation, density, horde, immersion II (compression) noun absorption, accumulation, agglomeration, amassment,… …   Law dictionary

  • concentration — [n1] consolidation of effort absorption, amassing, application, assembly, bringing to bear, centering, centralization, close attention, clustering, coalescing, combination, compacting, compression, concern, congregation, consolidation,… …   New thesaurus

  • Concentration — Concentration. См. Концентрация. (Источник: «Металлы и сплавы. Справочник.» Под редакцией Ю.П. Солнцева; НПО Профессионал , НПО Мир и семья ; Санкт Петербург, 2003 г.) …   Словарь металлургических терминов

  • Concentration — (v. lat.), 1) das Zusammendrängen nach einer gemeinschaftlichen Mitte hin; 2) (Phys.), das Zusammendrängen von Lichtstrahlen auf einem Punkte od. engem Raum, vgl. Brennpunkt; 3) die Vereinigung wirksamer Theile einer Flüssigkeit in einem… …   Pierer's Universal-Lexikon

  • concentration — 1630s, action of bringing to a center, noun of action from verb CONCENTRATE (Cf. concentrate) (q.v.). Meaning a mass so collected is from 1670s; continuous focus of mental activity is from 1846 …   Etymology dictionary

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