Longman Dictionary of Contemporary English homepage

Topic: HUMAN

Date: 1700-1800
Language: Late Latin
Origin: 'something shaped', from Greek, from plassein; PLASTIC2


plas‧ma [uncountable]
1HBHHBM the yellowish liquid part of blood that contains the blood cells
2HBM technical the living substance inside a cell [= protoplasm]
3HAHPE technical a gas that contains about the same numbers of positive and negative electric charges and is found in the sun and most stars
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