| anode |
the negative terminal of a battery. (Cf. cathode.) |
| carbon |
in a battery, a rod or plate composed partly of carbon. [1/7 definitions] |
| cathode |
the positive terminal of a battery. (Cf. anode.) |
| cell |
a device for generating electricity by chemical means, as in a battery. [1/4 definitions] |
| cordless |
requiring no electric cord for use; battery-operated or rechargeable. [1/2 definitions] |
| cordless phone |
a telephone that consists of a battery-operated handset that communicates across short distances via radio waves to an electrically-powered unit that must be connected to a telephone line in order to function. |
| dry battery |
a dry cell, or a battery made up of several connected dry cells. |
| emplacement |
a space or platform on which to position a gun or a battery of guns. [1/2 definitions] |
| flashlight |
a hand-held, usu. battery-powered lamp. |
| jumper cables |
a pair of thick electrical cables with clamps on all four ends, used to charge a dead automobile battery from a live one; booster cables. |
| jump-start |
to start (a motor vehicle) either by rolling or pushing (it) with the ignition on and suddenly releasing the clutch, or by connecting the dead battery to a live battery with jumper cables. [1/2 definitions] |
| plug-in electric vehicle |
any motor vehicle powered by battery packs that can be recharged using an external source of electricity. |
| polar |
of or pertaining to the poles of an electric battery, magnet, or the like. [1/3 definitions] |
| pole2 |
either of the opposite ends of a magnet, or either of the charged terminals of an electric battery. [1/4 definitions] |
| power pack |
a portable device that converts the incoming power-line or battery-generated voltage to the voltages required by the various components of an electronic system, such as a radio or television amplifier. |
| primary cell |
a battery cell in which electric current is generated by an irreversible electrochemical reaction, and which therefore cannot be recharged efficiently. |
| rocket launcher |
a weapon that is carried by hand or mounted on a vehicle and fires rockets, or a vehicle designed to carry a battery of such weapons. |
| stun gun |
a portable, battery-operated instrument that gives a strong electrical shock when it is pressed into contact with someone, used esp. by law officers or in self-defense. |
| torch |
(chiefly British) a hand-held, usu. battery-powered lamp; flashlight. [1/6 definitions] |
| voltaic battery |
a battery that consists of one or more voltaic cells. |
| walkie-talkie |
a small, battery-powered radio set that transmits and receives, readily carried by one person. |