| 释义 |
WordReference Random House Learner's Dictionary of American English © 2024pro•to•plasm /ˈproʊtəˌplæzəm/USA pronunciation n. [uncountable]- Cell Biologythe liquid substance of which cells are formed; the cytoplasm and nucleus.
pro•to•plas•mic /ˌproʊtəˈplæzmɪk/USA pronunciation adj. WordReference Random House Unabridged Dictionary of American English © 2024pro•to•plasm (prō′tə plaz′əm),USA pronunciation n. - Cell Biology[Biol.](no longer in technical use) the colloidal and liquid substance of which cells are formed, excluding horny, chitinous, and other structural material; the cytoplasm and nucleus.
- Cell Biology, Biology[Obs.]the living matter of organisms regarded as the physical basis of life, having the ability to sense and conduct stimuli.
- Neo-Latin prōtoplasma. See proto-, -plasm
- 1840–50
Collins Concise English Dictionary © HarperCollins Publishers:: protoplasm /ˈprəʊtəˌplæzəm/ n - the living contents of a cell, differentiated into cytoplasm and nucleoplasm
Etymology: 19th Century: from New Latin, from proto- + Greek plasma formˌprotoˈplasmic adj |