| acoustic |
producing sound without electronic or electric means, as a musical instrument. [1/3 definitions] |
| alarm |
any audible or visible warning, esp. by mechanical, electric, or other means. [1/5 definitions] |
| amber |
a hard, translucent fossil resin that will develop an electric charge when rubbed. [1/4 definitions] |
| amplification |
increase in electric current, voltage, power, or the like. [1/4 definitions] |
| analog computer |
a computer that uses physical quantities such as pressure or electric voltages to represent data. (Cf. digital computer.) |
| arc furnace |
an electric furnace in which heat is produced by an arc formed between the material being heated and an electrode, or between two electrodes. |
| arc lamp |
a lamp, such as a searchlight, in which light is produced by an electric arc passing through a gas between two hot electrodes; arc light. |
| arc welding |
a method of welding in which the extreme heat of an electric arc is used. |
| bioelectricity |
the scientific study of biological electric currents and fields and of the effects of external electromagnetic forces on biological systems. |
| brain wave |
(usu. pl.) rhythmic electric impulses occurring within the brain. [1/2 definitions] |
| bronchoscope |
a slender tubular instrument with an electric light, used for examining and treating the inside of the bronchi. |
| brougham |
an automobile powered by an electric motor. [1/3 definitions] |
| bumper car |
one of a number of miniature electric cars that are part of an amusement at a fair or carnival. People ride in the cars and try to bump into other cars or escape from being bumped. The cars are designed to be safe and enjoyable for the riders, most of whom are children. |
| burnout |
a malfunction of a motor, electrical device, or the like caused by excess heat from electric current. [1/3 definitions] |
| capacitance |
the capacity for storing an electric charge. [1/2 definitions] |
| capacitor |
a device for collecting and storing an electric charge, usu. consisting of two conductors with equal, opposite charges, separated by an insulator; condenser. |
| cardiograph |
an instrument used to detect and record the differences in bodily electric potential that are associated with the action of the heart; electrocardiograph. |
| cardioversion |
application of an electric shock to restore heartbeat. |
| carry |
to conduct, as a water pipe or electric wire. [1/16 definitions] |
| chair |
the electric chair. [1/5 definitions] |
| charge |
electric potential. [1/22 definitions] |