Plate

Plate has several meanings:

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• A plate electrode in a vacuum tube.
• In geology, a tectonic plate is a piece of the Earth's crust; see also Plate tectonics.
• A plate is an item of dishware.
• Plate is also a mainly British, mainly antiquated term for silver-plated cutlery.
• In British heraldry, a plate is a roundel argent.
• Home plate is a piece of equipment in baseball.
• A license plate is used to display automobile registration numbers.
• Plate such as steel plate is sheet metal in a thicker form, such as is used for boilermaking or shipbuilding. The footplate of a steam locomotive was made of such plate. Its thickness starts at about a centimetre or 1/4 inch.
• A photographic plate is an early type of photographic film.
• A Printing plate is used in Lithographic printing