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armature a coil-wrapped iron core that rotates in a magnetic field to induce electrical current in a generator, or that produces motion in an electrical motor when current is passed through it. [1/4 definitions]
coil1 one loop of a coil. [1/8 definitions]
constrictor any of various snakes that coil around and crush their prey. [1/3 definitions]
convolute to wind around; coil. [1/2 definitions]
convolve to roll, twist, or wind together; coil up.
curl to take on the shape of a coil, spiral, or ring. [2/8 definitions]
electromagnet a magnet in which an iron or steel core is magnetized by the electric current in the coil of insulated wire wound around it.
entwine to twist or coil together; interweave.
hank a coil or length, as of yarn or hair. [1/2 definitions]
immersion heater an electric coil or rod used to heat liquid while immersed in it.
inductance a circuit or device, such as an induction coil, in which a change in the current generates an electromotive force. [1/2 definitions]
inductor a device that generates an electromotive force in an electric circuit by electromagnetic induction; coil. [1/2 definitions]
innerspring mattress a mattress having enclosed coil springs that support the padding.
intrauterine device a small plastic or stainless steel coil or similar object inserted into the uterus to prevent conception; IUD.
IUD abbreviation of "intrauterine device," a small plastic or stainless steel coil or similar object inserted into the uterus to prevent conception
magnetic pickup a phonograph pickup in which vibrations of the stylus are received by a coil in a magnetic field and thus converted to electrical current.
magneto a device for producing an electric current, consisting of a coil of wire that rotates within the force field of a permanent magnet.
re-coil to wind into a coil again.
solenoid a coil of wire, usu. in spiral form, that produces a magnetic field when electricity flows through it. [2 definitions]
spiral a curve that begins from and continues to form a circle around a fixed point and that constantly increases or decreases in distance from it, in either a flat or a three-dimensional plane; coil or helix. [1/6 definitions]
spiro- coil; spiral.