converter
Americannoun
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a person or thing that converts.
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Electricity. a device that converts alternating current to direct current or vice versa.
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Metallurgy. a chamber or vessel through which an oxidizing blast of air is forced, as in making steel by the Bessemer process.
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Television. decoder.
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Radio and Television. an auxiliary device that permits a receiver to pick up frequencies or channels for which it was not originally designed.
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Physics. a reactor for converting one kind of fuel into another kind.
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a person who is engaged in converting textile fabrics, especially cotton cloths, from the raw state into the finished product ready for the market by bleaching, dyeing, etc.
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Also called converter lens. Photography. an additional lens attached to a lens in use on a camera to alter focal length, mounted in front of a lens to produce a wide-angle effect wide-angle converter, or wide-angle converter lens or between the lens and the camera body to produce a telephoto effect teleconverter, or extender.
noun
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a person or thing that converts
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physics
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a device for converting alternating current to direct current or vice versa
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a device for converting a signal from one frequency to another or from analogue to digital forms
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a vessel in which molten metal is refined, using a blast of air or oxygen See also Bessemer converter L-D converter
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short for converter reactor
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computing a device for converting one form of coded information to another, such as an analogue-to-digital converter
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An electrical device that changes the form of an electric signal or power source, as by converting alternating current to direct current, or an analog signal to a digital signal.
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Compare rectifier transformer
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An electronic device that changes the frequency of a radio or other electromagnetic signal.
Etymology
Origin of converter
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
"Piezoelectric-based converters aren't quite ready to replace existing power converter technologies yet," Mercier added.
From Science Daily • Apr. 10, 2026
These adjustments make just enough room on top of the engine for the pulse inverter and DC/DC converter.
From The Wall Street Journal • Oct. 30, 2025
Efforts are underway in England to develop a new converter device that could solve this problem, though.
From BBC • Oct. 30, 2025
Finally, the LionLink and Sea Link offshore wind projects in Suffolk are due to see converter stations built at several locations in the county.
From BBC • Jan. 24, 2025
The converter attachment, which had cost them one hundred dollars, automatically supplied her name whenever the announcer addressed his anonymous audience, leaving a blank where the proper syllables could be filled in.
From "Fahrenheit 451" by Ray Bradbury
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
