a block of four or more stamps containing the number or numbers of the printing plate or plates in the margin of the sheet.
- Plate culture
plate culture n. A culture or culture medium contained in a flat transparent dish and used chiefly for growing microorganisms.
[pley-tid] /ˈpleɪ tɪd/ adjective 1. coated with a thin film of gold, silver, etc., as for ornamental purposes. 2. covered or overlaid with metal for protection. 3. (of a knitted fabric) made of two yarns, as wool on the face and cotton on the back. [pleyt] /pleɪt/ noun 1. a shallow, usually circular dish, often […]
[pleyt-dawg, -dog] /ˈpleɪtˌdɔg, -ˌdɒg/ noun, Printing. 1. a heavy metal plate on which plates, stereos, etc., are locked into position for printing on a rotary press.
[pleyt-foo l] /ˈpleɪt fʊl/ noun, plural platefuls. 1. the amount that a will hold. 2. a large portion or quantity: a plateful of contracts to negotiate.