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Definition of 'plaster'

Noun

  1. a mixture of lime or gypsum with sand and water; hardens into a smooth solid; used to cover walls and ceilings
  2. any of several gypsum cements; a white powder (a form of calcium sulphate) that forms a paste when mixed with water and hardens into a solid; used in making molds and sculptures and casts for broken limbs
       Synonyms: plaster of Paris
  3. a medical dressing consisting of a soft heated mass of meal or clay that is spread on a cloth and applied to the skin to treat inflamed areas or improve circulation etc.
       Synonyms: poultice cataplasm
  4. a surface of hardened plaster (as on a wall or ceiling); "there were cracks in the plaster"
       Synonyms: plasterwork
  5. adhesive tape used in dressing wounds
       Synonyms: adhesive plaster sticking plaster

Verb

  1. cover conspicuously or thickly, as by pasting something on; "The demonstrators plastered the hallways with posters"; "She let the walls of the apartment be beplastered with stucco"
       Synonyms: beplaster
  2. affix conspicuously; "She plastered warnings all over the wall"
  3. apply a plaster cast to; "plaster the broken arm"
  4. apply a heavy coat to
       Synonyms: plaster over stick on
  5. coat with plaster; "daub the wall"
       Synonyms: daub
  6. dress by covering with a therapeutic substance
       Synonyms: poultice


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