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plaster of par·is | \ -ˈper-əs 
, -ˈpa-rəs\
, -ˈpa-rəs\Definition of plaster of paris
: a white powdery slightly hydrated calcium sulfate CaSO4·¹/₂H2O or 2CaSO4·H2O made by calcining gypsum and used chiefly for casts and molds in the form of a quick-setting paste with water
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More Definitions for plaster of paris
plaster of paris
nounEnglish Language Learners Definition of plaster of paris
: a white powder that is mixed with water to form a paste which hardens quickly and which is used for making decorations, plaster casts, etc.
plaster of par·is | \ -ˈper-əs \
\Kids Definition of plaster of paris
: a white powder that mixes with water to form a paste that hardens quickly and is used for casts and molds
plaster of paris
nounplaster of par·is | \ -ˈpar-əs \
\Medical Definition of plaster of paris
: a white powdery slightly hydrated calcium sulfate CaSO4·¹/₂H2O or 2CaSO4·H2O that is made by calcining gypsum, forms a quick-setting paste with water, and is used in medicine chiefly in casts and for surgical bandages
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