electromagnet releases
1electromagnet — /i lek troh mag nit/, n. a device consisting of an iron or steel core that is magnetized by electric current in a coil that surrounds it. [1815 25; ELECTRO + MAGNET] * * * Device consisting of a core of magnetic material such as iron, surrounded… …
2Escapement — redirects here. For the fisheries term for the stock surviving fishing pressures over a spawning cycle, see Spawn (biology). For other uses, see Escapement (disambiguation). A deadbeat escapement, used in many pendulum clocks. Click above to see… …
3Coilgun — Gauss gun redirects here. For fictional weapons of this type, see electromagnetic projectile devices (fiction). Not to be confused with railgun. Simplified diagram of a multistage coilgun with three coils, a barrel, and a ferromagnetic projectile …
4electromagnetism — /i lek troh mag ni tiz euhm/, n. 1. the phenomena associated with electric and magnetic fields and their interactions with each other and with electric charges and currents. 2. Also, electromagnetics. the science that deals with these phenomena.… …
5Superconductivity — is a phenomenon occurring in certain materials generally at very low temperatures, characterized by exactly zero electrical resistance and the exclusion of the interior magnetic field (the Meissner effect).The electrical resistivity of a metallic …
6Circuit breaker — For other uses, see Circuit breaker (disambiguation). An air circuit breaker for low voltage (less than 1000 volts) power distribution switchgear …
7keyboard instrument — ▪ music Introduction any musical instrument on which different notes can be sounded by pressing a series of keys, push buttons, or parallel levers. In nearly all cases in Western music the keys correspond to consecutive notes in the… …
8atom — /at euhm/, n. 1. Physics. a. the smallest component of an element having the chemical properties of the element, consisting of a nucleus containing combinations of neutrons and protons and one or more electrons bound to the nucleus by electrical… …
9printing — /prin ting/, n. 1. the art, process, or business of producing books, newspapers, etc., by impression from movable types, plates, etc. 2. the act of a person or thing that prints. 3. words, symbols, etc., in printed form. 4. printed material. 5.… …
10Switch — For other uses, see Switch (disambiguation). Electrical switches. Top, left to right: circuit breaker, mercury switch, wafer switch, DIP switch, surface mount switch, reed switch. Bottom, left to right: wall switch (U.S. style), miniature toggle… …
