- a substance added to another substance, as to paint or food, to increase its volume or bulk: to add cereal and soy protein to hamburger as extenders.
- Photography. See under converter(def 8).
Origin of extender
- a person or thing that converts.
- Electricity. a device that converts alternating current to direct current or vice versa.Compare inverter, synchronous converter.
- Metallurgy. a chamber or vessel through which an oxidizing blast of air is forced, as in making steel by the Bessemer process.
- Television. decoder(def 5).
- Radio and Television. an auxiliary device that permits a receiver to pick up frequencies or channels for which it was not originally designed.
- Physics. a reactor for converting one kind of fuel into another kind.
- 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.
- 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 between the lens and the camera body to produce a telephoto effect (teleconverter or extender).
Origin of converter
Examples from the Web for extender
Historical Examples of extender
I shook hands with each one of the High-Pocketses as they filed into the extender.
It was apparent by that time that the extender would never be anything in a printing office but a psychological monstrosity.
This extender can be prepared 12 to 24 hours before use if it is stored at refrigerator temperature.Preservation of Bull Semen at Sub-Zero Temperatures
N. L. VanDemark
- a person or thing that extends
- a substance, such as French chalk or china clay, added to paints to give them body and decrease their rate of settlement
- a substance added to glues and resins to dilute them or to modify their viscosity
- a substance added to elastomers to assist the plasticizer
- printing the part of certain lower-case letters that extends either above (the ascender) or below (the descender) the body of the letter
- a person or thing that converts
- a device for converting alternating current to direct current or vice versa
- a device for converting a signal from one frequency to another or from analogue to digital forms
- a vessel in which molten metal is refined, using a blast of air or oxygenSee also Bessemer converter, L-D converter
- short for converter reactor
- computing a device for converting one form of coded information to another, such as an analogue-to-digital converter
Word Origin and History for extender
1530s, agent noun from convert (v.). Of machinery, from 1867.
- 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. Compare rectifier transformer.
- An electronic device that changes the frequency of a radio or other electromagnetic signal.