Meaning & Definition of Nucleus in English
English⟶
Nucleus
/nukliəs/
noun
1. A part of the cell containing dna and rna and responsible for growth and reproduction
synonym:
- nucleus,
- cell nucleus,
- karyon
2. The positively charged dense center of an atom
synonym:
- nucleus
3. A small group of indispensable persons or things
- "Five periodicals make up the core of their publishing program"
synonym:
- core,
- nucleus,
- core group
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
synonym:
- nucleus
5. Any histologically identifiable mass of neural cell bodies in the brain or spinal cord
synonym:
- nucleus
6. The central structure of the lens that is surrounded by the cortex
synonym:
- lens nucleus,
- nucleus