Craniotomy (medicine) and circuit (iou)

Craniotomy (medicine)

craniotomy
<procedure, surgery> A surgical incision into the skull.

circuit noun & verb. LME.
[Old & mod. French from Latin circuitus, from circuit- pa. ppl stem of circuire var. of circumire, from circum around + ire go.]
A. noun.
A line that encloses an area; the distance round; the circumference. LME.
b. A circlet, a crown. rare (Shakes.). Only in L16.
A space enclosed by a line; an area; an extent. LME.
b. fig. A sphere of action etc. L16.
The time during which a disease runs its course. rare. LME.
The action of going or moving around or about; a circular journey; a course through intermediate points back to the starting-place; a roundabout journey or course. LME.
R. L. Stevenson The figure reappeared, and, making a wide circuit, began to head me off. C. P. Snow Henry could perform a dignified circuit, Rome, Florence, Venice,..being entertained by American acquaintances.
b. fig. A revolution of time etc., a cyclic period. E17.
The journey of a judge etc. in a particular district to hold courts; the lawyers making the circuit. L15.
b. A route followed by an itinerant entertainer or competitor in sporting events; a number of places of Entertainment at which productions are presented successively; a sequence of sporting events; a chain of theatres, cinemas, etc., under a single Management. M19.
rubber-chicken circuit: see RUBBER noun1.
A roundabout process or mode (of reasoning, legal action, expression, etc.). M16.
The district through which a judge etc. moves to hold courts. L16.
A group of local Methodist churches forming a minor administrative unit. M18.
The route followed by a confined electric current; an arrangement of interconnected devices such as transistors, resistors, etc., for achieving a particular electric effect. M18.
CLOSED-circuit. equivalent circuit: see EQUIVALENT adjective. integrated circuit: see INTEGRATE verb. metallic circuit: see METALLIC adjective. open circuit: see OPEN adjective. PRINTED circuit. SEQUENTIAL circuit. short circuit: see SHORT adjective. solid circuit: see SOLID adjective & adverb.
A road forming a closed loop built or used mainly for motor racing. E20.
A sequence of athletic exercises performed consecutively. M20.
Comb.: circuit board a thin rigid board containing an electric circuit; esp. = PRINTED circuit; circuit-breaker an apparatus for interrupting an electric circuit, usu. as a safety measure (oil circuit-breaker: see OIL noun); circuit court (a) a court held by a circuit judge of the High Court of Justiciary in Scotland outside Edinburgh; (b) US a Federal court of authority intermediate between a district court and the Supreme Court; circuit judge orig., a judge who makes a circuit to hold courts; now, a judge who primarily sits in the county courts and the Crown Court or who sits on a circuit court; circuit-Training consecutive performance of different athletic exercises.
b. verb.
verb trans. Go or Travel round. LME.
verb intrans. Go or move in a circuit. E17.
circui'teer noun & verb (a) noun a judge etc. on circuit; (b) verb intrans. go on a circuit: M18.
circuiter noun = circuiteer noun M17.
circuitor noun a person who goes on rounds, a travelling inspector etc. E19.
circuitry noun electric circuits collectively; equipment forming a circuit or circuits: M20.

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