
1) Bar on an alarm clock 2) Calculator component 3) Calculator element 4) Calculator part 5) Cell phone component 6) Cell-phone part 7) Cellphone component 8) Certain electron tube 9) Certain semiconductor 10) Certain vacuum tube 11) Crystal set part 12) Current converter 13) Current director 14) Current rectifier
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https://www.crosswordclues.com/clue/diode

1) Led
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https://www.crosswordclues.com/clue/diode

a component that readily passes current in one direction but opposes current flow in the opposite direction.
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http://www.chemicalglossary.net/definition/530-Diode

An electronic device that allows current to flow in one direction only.
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http://www.daviddarling.info/encyclopedia/D/AE_diode.html

Diode graphic symbols for (a) electron-tube diode; (B) semiconductor diode Originally an electron tube having two electrodes (cathode and anode) used as a rectifier, but now extended to include semiconductor devices performing a similar function.
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http://www.daviddarling.info/encyclopedia/D/diode.html

an electronic tube containing only an anode and a cathode
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http://www.electropedia.org/iev/iev.nsf/display?openform&ievref=531-31-01

(Digital cameras and photo printers) Photodiode.
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http://www.encyclo.co.uk/local/20472

A diode is a specialized electronic component with two electrodes called the anode and the cathode. Most diodes are made with semiconductor materials such as silicon, germanium, or selenium. Diodes can be used as rectifiers, signal limiters, voltage regulators, switches, signal modulators, signal mixers, signal demodulators, and oscillators.
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http://www.encyclo.co.uk/local/20741

An electronic device that allows current to flow in one direction only. See blocking diode and bypass diode.
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http://www.encyclo.co.uk/local/21690

An electronic device which lets current flow in one direction only. Diodes used in fibre optics include light emitters, (LED's and laser diodes) and detectors (photodiodes).
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http://www.encyclo.co.uk/visitor-contributions.php

a component that readily passes current in one direction but opposes current flow in the opposite direction.
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http://www.hach.com/chemGlossary

a solid state electronic device that permits current flow in only one direction.
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http://www.horizonsunlimited.com/gear-up/motorcycle-terms-and-glossary

A diode is a thermionic valve with two electrodes, or a semi-conductor equivalent. It presents a high resistance one way around and a low resistance the other.
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http://www.probertencyclopaedia.com/browse/GD.HTM

A diode is a component of electronic instrumentation that allows current to flow in only one direction at a time and prevents that current from flowing in the opposite direction. A diode is, in part, comprised of two electrodes (an anode and a cathode) that act similarly to miniature semiconductors. The cathode is usually negatively charged in orde...
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http://www.used-line.com/glossaries/glossary.cfm?g_id=20

A diode is a semi-conductor device. Diodes will allow current to pass through them in only one direction
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http://www.users.zetnet.co.uk/computing/MainPage/SecDepts/Physics/Resources

A component conducting current in one direction only, used for rectifying AC to DC, as part of RF detectors, catch diodes across actuating coils, and many other purposes. Various specialist versions include so called Zener diodes which break down at a specified reverse voltage, and can be used for voltage regulation, Shottky Diode with very high sp...
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http://www.vutrax.co.uk/glossary.htm

diode 1. An electronic device that restricts current flow chiefly to one direction. 2. An electron tube having a cathode and an anode. 3. A two-terminal semiconductor device used chiefly as a rectifier.
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http://www.wordinfo.info/words/index/info/view_unit/993/

A semiconductor that allows current to flow in one direction only. It is a two-terminal device which has nonlinear and asymmetrical (about zero) voltage versus current characteristics.The Ideal DiodeIf v is negative, the diode is reversed biased and acts as a closed switch with V = 0.If a positive current is applied in the direction shown, the diod...
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https://www.encyclo.co.uk/local/20687

A radio valve (or tube) with only two basic electrodes, an anode and a cathode. Commonly used in radio demodulation, over-voltage protection, logic gates, and early wireless sets including ‘cat-whisker` and thermionic valve sets.
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https://www.encyclo.co.uk/local/20820
rectifying valve noun a thermionic tube having two electrodes; used as a rectifier
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https://www.encyclo.co.uk/local/20974
semiconductor diode noun a semiconductor that consists of a p-n junction
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https://www.encyclo.co.uk/local/20974

Combination of a cold anode and a heated cathode, or the semiconductor equivalent, which incorporates a
p–
n junction. Either device allows the passage of direct current in one direction only, and so is commonly used in a rectifier to convert alternating current (AC) to direct current (DC). Semiconductor di...
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https://www.encyclo.co.uk/local/21221

A solid-state device that allows electricity to flow in only one direction.
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https://www.encyclo.co.uk/local/21463

An electronic device that allows current to flow in one direction only.
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https://www.encyclo.co.uk/local/22819

a device, as a two-element electron tube or a semiconductor, through which current can pass freely in only one direction.
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https://www.infoplease.com/dictionary/diode
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