nucleoplasm

noun Cell Biology.

1. the protoplasm of the nucleus of a cell.

noun

1. the protoplasm in the nucleus of a plant or animal cell that surrounds the chromosomes and nucleolusAlso called: karyoplasm

n.

1. Protoplasm of a cell nucleus.karyoplasm

1. The jellylike material within a cell nucleus, containing the nucleolus and chromatin. See more at nucleus.