# symmetry

symmetry
noun (plural -tries) Etymology: Latin symmetria, from Greek, from symmetros symmetrical, from syn- + metron measure — more at measure Date: 1563 1. balanced proportions; also beauty of form arising from balanced proportions 2. the property of being symmetrical; especially correspondence in size, shape, and relative position of parts on opposite sides of a dividing line or median plane or about a center or axis — compare bilateral symmetry, radial symmetry 3. a rigid motion of a geometric figure that determines a one-to-one mapping onto itself 4. the property of remaining invariant under certain changes (as of orientation in space, of the sign of the electric charge, of parity, or of the direction of time flow) — used of physical phenomena and of equations describing them

New Collegiate Dictionary. 2001.

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• Symmetry — Sym me*try, n. [L. symmetria, Gr. ?; sy n with, together + ? a measure: cf. F. sym[ e]trie. See {Syn }, and {Meter} rhythm.] 1. A due proportion of the several parts of a body to each other; adaptation of the form or dimensions of the several… …   The Collaborative International Dictionary of English

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• symmetry — 1560s, relation of parts, proportion, from L. symmetria, from Gk. symmetria agreement in dimensions, due proportion, arrangement, from symmetros having a common measure, even, proportionate, from syn together + metron meter (see METER (Cf. meter) …   Etymology dictionary

• symmetry — [n] proportion agreement, arrangement, balance, centrality, conformity, correspondence, equality, equilibrium, equipoise, equivalence, evenness, finish, form, harmony, order, proportionality, regularity, rhythm, shapeliness, similarity; concepts… …   New thesaurus

• symmetry — ► NOUN (pl. symmetries) 1) the quality of being made up of exactly similar parts facing each other or around an axis. 2) correct or pleasing proportion of parts. 3) similarity or exact correspondence. ORIGIN Latin symmetria, from Greek sun with + …   English terms dictionary

• Symmetry — For other uses, see Symmetry (disambiguation) …   Wikipedia

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• Symmetry — (Roget s Thesaurus) >Regularity of form. < N PARAG:Symmetry >N GRP: N 1 Sgm: N 1 symmetry symmetry shapeliness finish Sgm: N 1 beauty beauty &c. 845 Sgm: N 1 proportion proportion eurythmy uniformity parallelism …   English dictionary for students

• symmetry — [[t]sɪ̱mɪtri[/t]] symmetries 1) N VAR Something that has symmetry is symmetrical in shape, design, or structure. ...the incredible beauty and symmetry of a snowflake... I loved the house because it had perfect symmetry... Their own lives already… …   English dictionary

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