Definition of plastic
(Entry 1 of 3)
1
: a plastic substance
specifically
: any of numerous organic synthetic or processed materials that are mostly thermoplastic or thermosetting polymers of high molecular weight and that can be made into objects, films, or filaments
2
: credit cards used for payment
— called also plastic money
plastic
adjectiveDefinition of plastic (Entry 2 of 3)
1
: made or consisting of a plastic
2
: having a quality suggestive of mass-produced plastic goods
especially
: artificial sense 3
plastic smiles
3a
: capable of being molded or modeled
plastic clay
b
: capable of adapting to varying conditions : pliable
ecologically plastic animals
4
: capable of being deformed continuously and permanently in any direction without rupture
5
: relating to, characterized by, or exhibiting neural plasticity
6
: of, relating to, or involving plastic surgery
8
: sculptural
-plastic
adjective combining formDefinition of -plastic (Entry 3 of 3)
1
: developing : forming
thromboplastic
2
: of or relating to (something designated by a term ending in -plasm, -plast, -plasty, or -plasy)
homoplastic neoplastic
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Merriam-Webster unabridged
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Time Traveler for plastic
The first known use of plastic was in 1624
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