| closed primary | a primary in which only registered members of a particular political party can vote, closed primaries strengthen party unity |
lap circle
circuit | movement once around a course, he drove an extra lap just for insurance |
tour
circuit | 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 |
| closed-heart surgery | heart surgery in which a small incision is made (the chest cavity is not opened) |
AND circuit
AND gate | a circuit in a computer that fires only when all of its inputs fire |
| bridge bridge circuit | a circuit consisting of two branches ( arms arranged in a diamond configuration) across which a meter is connected |
circuit
electrical circuit
electric circuit | an electrical device that provides a path for electrical current to flow |
circuit board
circuit card
board card plug-in
add-in | a printed circuit that can be inserted into expansion slots in a computer to increase the computer's capabilities |
circuit breaker
breaker | a device that trips like a switch and opens the circuit when overloaded |
closed circuit
loop | a complete electrical circuit around which current flows or a signal circulates |
closed loop
closed-loop system | a control system with a feedback loop that is active |
| computer circuit | a circuit that is part of a computer |
control circuit
negative feedback circuit | a feedback circuit that subtracts from the input |
cooling system
cooling | a mechanism for keeping something cool, the cooling was overhead fans |
| cooling system engine cooling system | equipment in a motor vehicle that cools the engine |
| cooling tower | a cooling system used in industry to cool hot water (by partial evaporation) before reusing it as a coolant |
feedback circuit
feedback loop | a circuit that feeds back some of the output to the input of a system |
integrated circuit
microcircuit | a microelectronic computer circuit incorporated into a chip or semiconductor, a whole system rather than a single component |
light circuit
lighting circuit | wiring that provides power to electric lights |
NAND circuit
NAND gate | a logic gate that produces an output that is the inverse of the output of an AND gate |
| open circuit | an incomplete electrical circuit in which no current flows |
OR circuit
OR gate | a gate circuit in a computer that fires when any of its inputs fire |
parallel circuit
shunt circuit | a closed circuit in which the current divides into two or more paths before recombining to complete the circuit |
| printed circuit | computer circuit consisting of an electronic sub-assembly, copper conductors are laminated on an insulating board or card and circuit components are inserted into holes and dip soldered |
| pulse timing circuit | a circuit that times pulses |
racing circuit
circuit | a racetrack for automobile races |
| resonator resonant circuit | an electrical circuit that combines capacitance and inductance in such a way that a periodic electric oscillation will reach maximum amplitude |
| series circuit | a circuit having its parts connected serially |
short circuit
short | accidental contact between two points in an electric circuit that have a potential difference |
squelch circuit
squelch
squelcher | an electric circuit that cuts off a receiver when the signal becomes weaker than the noise |
| tank circuit | an oscillatory circuit |
telephone line
phone line
telephone circuit
subscriber line
line | a telephone connection |
X-OR circuit
XOR circuit
XOR gate | gate for exclusive OR, a circuit in a computer that fires only if only one of its inputs fire |
mystery
enigma
secret
closed book | something that baffles understanding and cannot be explained, how it got out is a mystery, it remains one of nature's secrets |
closed interval
bounded interval | an interval that includes its endpoints |
| closed couplet | a rhymed couplet that forms a complete syntactic unit |
executive session
closed session | a session (usually of a legislative body) that is closed to the public |
closed-end fund
closed-end investment company | a regulated investment company that issues a fixed number of shares which are listed on a stock market |
| closed shop | a company that hires only union members |
| circuit court of appeals | one of the twelve federal United States courts of appeals that cover a group of states known as a `circuit' |
| circuit | (law) a judicial division of a state or the United States (soalled 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 |
closed corporation
close corporation
private corporation
privately held corporation | a corporation owned by a few people, shares have no public market |
circumference
circuit | the boundary line encompassing an area or object, he had walked the full circumference of his land, a danger to all races over the whole circumference of the globe |
| circuit | 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 |
borscht circuit
borsht circuit
borscht belt
borsht belt | (informal) a resort area in the Catskill Mountains of New York that was patronized primarily by Jewish guests, many comedians learned their trade playing the borscht circuit |
closed chain
ring | (chemistry) a chain of atoms in a molecule that forms a closed loop |
| closed universe | (cosmology) a universe that is spatially closed and in which there is sufficient matter to halt the expansion that began with the big bang, the visible matter is onlypercent of the matter required for closure but there may be large amounts of dark matter |
closed gentian blind gentian bottle gentian
Gentiana andrewsii | gentian of eastern North America having tubular blue or white flowers that open little if at all |
| closed gentian blind gentian Gentiana clausa | similar to Gentiana andrewsii but with larger flowers |
cooling
chilling
temperature reduction | the process of becoming cooler, a falling temperature |