ATM: An abbreviation for automated teller machine. It is a stand-alone machine communicates with banks over the Internet. Depending on the ATM unit, some just dispense cash from a person’s account or from a line of credit offered to them by a credit-card company. Others accept cash deposits and give read-outs of how much money an individual has in a checking or savings account.
compound: (often used as a synonym for chemical) A compound is a substance formed when two or more chemical elements unite (bond) in fixed proportions. For example, water is a compound made of two hydrogen atoms bonded to one oxygen atom. Its chemical symbol is H2O.
conductor: (in physics and engineering) A material through which an electrical current can flow.
diode: An electronic part that works like a one-way valve for electric current.
doping: (in electronics) The deliberate insertion of something into a crystalline or other semiconductor material. For instance, manufacturers may dope a material with electrons or electron holes.
electricity: A flow of charge, usually from the movement of negatively charged particles, called electrons.
electron: A negatively charged particle, usually found orbiting the outer regions of an atom; also, the carrier of electricity within solids.
electronics: Devices that are powered by electricity but whose properties are controlled by the semiconductors or other circuitry that channel or gate the movement of electric charges.
element: A building block of some larger structure. (in chemistry) Each of more than one hundred substances for which the smallest unit of each is a single atom. Examples include hydrogen, oxygen, carbon, lithium and uranium.
engineer: A person who uses science and math to solve problems. As a verb, to engineer means to design a device, material or process that will solve some problem or unmet need.
insulator: A substance or device that does not readily conduct electricity.
phosphorus: A highly reactive, nonmetallic element occurring…
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