nucleus
(noun)
noun
1. a part of the cell containing DNA and RNA and responsible for growth and reproduction
Similar word(s): karyon
Definition categories: body, organelle
2. the positively charged dense center of an atom
Definition categories: object, center, centre, midpoint
3. a small group of indispensable persons or things
Similar word(s): core
Definition categories: group, set
4. (astronomy) the center of the head of a comet; consists of small solid particles of ice and frozen gas that vaporizes on approaching the sun to form the coma and tail
Definition categories: object, center, centre, midpoint
5. any histologically identifiable mass of neural cell bodies in the brain or spinal cord
Definition categories: body
6. the central structure of the lens that is surrounded by the cortex
Definition categories: body, structure
Sentences with nucleus as a noun:
- This collection will form the nucleus of a new library.