plate (redirected from plates)

plate: see electron tube.

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plate

1. any shallow or flat receptacle, esp for receiving a collection in church

2. flat metal of uniform thickness obtained by rolling, usually having a thickness greater than about three millimetres

3. a thin coating of metal usually on another metal, as produced by electrodeposition, chemical action, etc.

4. Photog

a. a sheet of glass, or sometimes metal, coated with photographic emulsion on which an image can be formed by exposure to light

b. (as modifier): a plate camera

5. an orthodontic device, esp one used for straightening children's teeth

6. an informal word for denture

7. Anatomy any flat platelike structure or part

8. any of the rigid layers of the earth's lithosphere of which there are believed to be at least 15

9. Electronics

a. Chiefly US the anode in an electronic valve

b. an electrode in an accumulator or capacitor

10. a light horseshoe for flat racing

11. See plate rail

12. RC Church a flat plate held under the chin of a communicant in order to catch any fragments of the consecrated Host

13. Archaic a coin, esp one made of silver