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English definition of “plaster”

plaster

noun (SUBSTANCE)    /ˈplɑː.stər/ US  /ˈplæs.tɚ/
[U] a substance that becomes hard as it dries and is used especially for spreading on walls and ceilings in order to give a smooth surface : The plaster on the walls was cracked and flaking . → See also plasterboardPlastering in plaster UK (US in a cast) If a part of your body is in plaster, it has a plaster cast around it to protect it while a broken bone repairs itself: My leg was in plaster for about six weeks .Medical dressings, supports and devices
(Definition of plaster noun (SUBSTANCE) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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