circuit

circuit
—circuital, adj.
/serr"kit/, n.
1. an act or instance of going or moving around.
2. a circular journey or one beginning and ending at the same place; a round.
3. a roundabout journey or course.
4. a periodical journey from place to place, to perform certain duties, as by judges to hold court, ministers to preach, or salespeople covering a route.
5. the persons making such a journey.
6. the route followed, places visited, or district covered by such a journey.
7. the line going around or bounding any area or object; the distance about an area or object.
8. the space within a bounding line; district: the circuit of the valley.
9. Elect.
a. Also called electric circuit. the complete path of an electric current, including the generating apparatus, intervening resistors, or capacitors.
b. any well-defined segment of a complete circuit.
10. Telecommunications. a means of transmitting communication signals or messages, usually comprising two channels for interactive communication. Cf. channel1 (def. 12).
11. a number of theaters, nightclubs, etc., controlled by the same owner or manager or visited in turn by the same entertainers or acting companies.
12. a league or association: He used to play baseball for the Texas circuit.
13. ride circuit, Law. (of a judge) to travel a judicial county or district in order to conduct judicial proceedings.
v.t.
14. to go or move around; make the circuit of.
v.i.
15. to go or move in a circuit.
[1350-1400; ME < L circuitus, var. of circumitus circular motion, cycle, equiv. to circu(m)i-, var. s. of circu(m)ire to go round, circle (circum- CIRCUM- + ire to go) + -tus suffix of v. action; cf. AMBIT, EXIT]
Syn. 2. tour, revolution, orbit. 7. circumference, perimeter, periphery, boundary, compass. 8. region, compass, area, range, field. 11. chain.

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I

Path that transmits electric current.

A circuit includes a battery or a generator that gives energy to the charged particles; devices that use current, such as lamps, motors, or electronic computers; and connecting wires or transmission lines. Circuits can be classified according to the type of current they carry (see alternating current, direct current) or according to whether the current remains whole (series) or divides to flow through several branches simultaneously (parallel). Two basic laws that describe the performance of electric circuits are Ohm's law and Kirchhoff's circuit rules. See also tuned circuit.
II
(as used in expressions)
Kirchhoff's circuit rules

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Universalium. 2010.

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Look at other dictionaries:

  • circuit — [ sirkɥi ] n. m. • 1257; circuite n. f. 1220; lat. circuitus, de circuire, circumire « faire le tour » 1 ♦ Vieilli Distance à parcourir pour faire le tour d un lieu. ⇒ contour, périmètre, pourtour, 3. tour. Le parc a quatre kilomètres de circuit …   Encyclopédie Universelle

  • Circuit — may mean: In science and technology Circuit theory, the theory of accomplishing work by routing electrons, gas, fluids, or other matter through a loop Pneumatic circuit Hydraulic circuit Boolean circuit circuit (computer theory) Integer circuit a …   Wikipedia

  • Circuit — Cir cuit, n. [F. circuit, fr. L. circuitus, fr. circuire or circumire to go around; circum around + ire to go.] 1. The act of moving or revolving around, or as in a circle or orbit; a revolution; as, the periodical circuit of the earth round the… …   The Collaborative International Dictionary of English

  • Circuit TI — Circuit international d Okayama 34°54′54″N 134°13′16″E / 34.915, 134.22111 …   Wikipédia en Français

  • circuit — cir·cuit n 1 a: a route formerly taken by traveling judges b: a district established within a state or the federal judicial system see also the judicial system in the back matter 2 cap: the court of appeals for a circuit in the federal judicial… …   Law dictionary

  • circuit — CIRCUÍT, circuite, s.n. 1. Ansamblu de fire şi dispozitive bune conducătoare de electricitate care, împreună cu sursa curentului, formează un traseu închis pentru trecerea unui curent. ♢ (electron.; în sintagma) Circuit imprimat = circuit… …   Dicționar Român

  • circuit — CIRCUIT. sub. mas. (Ce mot est de trois syllabes.) Enceinte, tour. Le circuit de la Ville. Faire le circuit des murailles. Le circuit d une Province. Un grand circuit. Un long circuit. Cette Ville a une grande lieue de circuit. [b]f♛/b] On dit… …   Dictionnaire de l'Académie Française 1798

  • circuit — CIRCUIT. s. m. Enceinte, tour. Le circuit de la ville. faire le circuit des murailles. le circuit d une Province. un grand circuit. un long circuit. cette ville a une grande lieüe de circuit. On dit fig. Circuit de paroles, & cela se prend pour… …   Dictionnaire de l'Académie française

  • circuit — UK US /ˈsɜːkɪt/ noun [C] ► IT a path for an electric current to flow through: »The most advanced chip technology, which uses circuits 65 nanometers apart, loses almost half of its power to leakage. »an electrical/electronic circuit → See also… …   Financial and business terms

  • circuit — [sʉr′kit] n. [ME < OFr < L circuitus, a going around, circuit < circumire < circum (see CIRCUM ) + ire, to go: see YEAR] 1. the line or the length of the line forming the boundaries of an area 2. the area bounded 3. the act of going… …   English World dictionary

  • circuit — (n.) late 14c., from O.Fr. circuit (14c.), from L. circuitus a going around, from stem of circuire, circumire go around, from circum round (see CIRCUM (Cf. circum )) + ire to go (see ION (Cf. ion)). Electrical sense is from 1 …   Etymology dictionary

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