cir·cuit /ˈsɝkət/
 環行,巡迴,周線;電路,線路
 cir·cuit /ˈsɝkət/ 名詞
 回路,電路
 circuit
 電路; 線路
 circuit
 單石積體電路
 circuit
 "或"電路
 circuit
 反電路
 circuit
 電路
 Cir·cuit n.
 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 sun.
 2. The circumference of, or distance round, any space; the measure of a line round an area.
    The circuit or compass of Ireland is 1,800 miles.   --J. Stow.
 3. That which encircles anything, as a ring or crown.
    The golden circuit on my head.   --Shak.
 4. The space inclosed within a circle, or within limits.
    A circuit wide inclosed with goodliest trees.   --Milton.
 5. A regular or appointed journeying from place to place in the exercise of one's calling, as of a judge, or a preacher.
 6. (a) Law A certain division of a state or country, established by law for a judge or judges to visit, for the administration of justice. --Bouvier. (b) Methodist Church A district in which an itinerant preacher labors.
 7. Circumlocution. [Obs.] “Thou hast used no circuit of words.”
 Circuit court Law, a court which sits successively in different places in its circuit (see Circuit, 6). In the United States, the federal circuit courts are commonly presided over by a judge of the supreme court, or a special circuit judge, together with the judge of the district court. They have jurisdiction within statutory limits, both in law and equity, in matters of federal cognizance. Some of the individual States also have circuit courts, which have general statutory jurisdiction of the same class, in matters of State cognizance.
 Circuit of action or Circuity of action Law, a longer course of proceedings than is necessary to attain the object in view.
 To make a circuit, to go around; to go a roundabout way.
 Voltaic circle or Galvanic circle or Voltaic circuit or Galvanic circuit, a continous electrical communication between the two poles of a battery; an arrangement of voltaic elements or couples with proper conductors, by which a continuous current of electricity is established.
 Cir·cuit, v. i. To move in a circle; to go round; to circulate. [Obs.]
 Cir·cuit, v. t. To travel around. [Obs.] “Having circuited the air.”
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 circuit
      n 1: an electrical device that provides a path for electrical
           current to flow [syn: electrical circuit, electric
           circuit]
      2: a journey or route all the way around a particular place or
         area; "they took an extended tour of Europe"; "we took a
         quick circuit of the park"; "a ten-day coach circuit of
         the island" [syn: tour]
      3: an established itinerary of venues or events that a
         particular group of people travel to; "she's a familiar
         name on the club circuit"; "on the lecture circuit"; "the
         judge makes a circuit of the courts in his district"; "the
         international tennis circuit"
      4: (law) a judicial division of a state or the United States
         (so-called because originally judges traveled and held
         court in different locations); one of the twelve groups of
         states in the United States that is covered by a
         particular circuit court of appeals
      5: a racetrack for automobile races [syn: racing circuit]
      6: movement once around a course; "he drove an extra lap just
         for insurance" [syn: lap, circle]
      v : make a circuit; "They were circuiting about the state"
 Circuit
    the apparent diurnal revolution of the sun round the earth (Ps.
    19:6), and the changes of the wind (Eccl. 1:6). In Job 22:14,
    "in the circuit of heaven" (R.V. marg., "on the vault of
    heaven") means the "arch of heaven," which seems to be bent over
    our heads.