- Word Explorer
|part of speech:
||the central, essential, or most active part around which other parts are grouped.
Main Street is the nucleus of the town.
- core, hub
- similar words:
- center, heart, kernel, marrow, navel, pith, soul
||the part of a cell that contains chromosomes, which control growth and reproduction in most living things.
||the central part of an atom, which has a positive charge.