[ik-sten-der] 
| 1. | 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. |
| 2. | Photography. See under converter (def. 8). |
[kuh
n-vur-ter] | 1. | a person or thing that converts. |
| 2. | Electricity. a device that converts alternating current to direct current or vice versa. Compare inverter, synchronous converter. |
| 3. | Metallurgy. a chamber or vessel through which an oxidizing blast of air is forced, as in making steel by the Bessemer process. |
| 4. | Television. decoder (def. 5). |
| 5. | Radio and Television. an auxiliary device that permits a receiver to pick up frequencies or channels for which it was not originally designed. |
| 6. | Physics. a reactor for converting one kind of fuel into another kind. |
| 7. | a person who is engaged in converting textile fabrics, esp. cotton cloths, from the raw state into the finished product ready for the market by bleaching, dyeing, etc. |
| 8. | 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). |
| ex·tend·er (ĭk-stěn'dər) n. A substance added to another substance to modify, dilute, or adulterate it: meat loaf that contained oatmeal as an extender. |
converter (kən-vûr'tər) Pronunciation Key
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