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The Collaborative International Dictionary of English v.0.48 (gcide)

Protoplasm \Pro"to*plasm\, n. [Proto- Gr. ? form, fr. ? to
mold.] (Biol.)
The viscid and more or less granular material of vegetable
and animal cells, possessed of vital properties by which the
processes of nutrition, secretion, and growth go forward; the
so-called " physical basis of life;" the original cell
substance, cytoplasm, cytoblastema, bioplasm sarcode, etc.
[1913 Webster]

Note: The lowest forms of animal and vegetable life
(unicellular organisms) consist of simple or unaltered
protoplasm; the tissues of the higher organisms, of
differentiated protoplasm.
[1913 Webster]