Dictionary

protoplasm

noun pro·to·plasm \ˈprō-tə-ˌpla-zəm\

biology : the usually colorless substance that is the living part of animal and plant cells

Full Definition of PROTOPLASM

1
:  the organized colloidal complex of organic and inorganic substances (as proteins and water) that constitutes the living nucleus, cytoplasm, plastids, and mitochondria of the cell
2
:  cytoplasm
pro·to·plas·mic \ˌprō-tə-ˈplaz-mik\ adjective

Origin of PROTOPLASM

German Protoplasma, from prot- + New Latin plasma
First Known Use: 1848
PROTOPLASM Defined for Kids

protoplasm

noun pro·to·plasm \ˈprō-tə-ˌpla-zəm\

Definition of PROTOPLASM for Kids

:  the usually colorless and jellylike living part of cells
Medical Dictionary

protoplasm

noun pro·to·plasm \ˈprōt-ə-ˌplaz-əm\

Medical Definition of PROTOPLASM

1
:  the organized colloidal complex of organic and inorganic substances (as proteins and water) that constitutes the living nucleus, cytoplasm, plastids, and mitochondria of the cell and is regarded as the only form of matter in which the vital phenomena (as metabolism and reproduction) are manifested
2

Browse

Next Word in the Dictionary: protoplasmalPrevious Word in the Dictionary: protoplanetAll Words Near: protoplasm
June 30, 2015
disinformation Hear it
false information deliberately spread
Take a 3-minute break and test your skills!
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears