protoplasm

noun
UK /ˈprəʊtəplæzəm/
US /ˈproʊtəplæzəm/

Protoplasm is the jelly-like stuff inside a cell that keeps it alive.

The scientist looked at the protoplasm moving inside the tiny cell.


OTHER MEANINGS

2. The basic material of which all living things are made, according to older biology.

Early textbooks described protoplasm as the physical basis of life.

3. A semifluid substance found inside certain single-celled organisms.

Under the microscope, the amoeba's protoplasm flowed toward its food.

4. The living contents of a cell, including the nucleus and cytoplasm.

The teacher explained that protoplasm includes everything inside the cell wall.