nucleus
/ˈnjuːkliəs/noun
उच्चारण न्यूक्लिअस
नाभिक (परमाणु का)
Core word
noun
- 1
[C] physics
the central part of an atom, made up of protons and neutrons
नाभिक (परमाणु का)
- The nucleus of an atom carries a positive charge.
- Electrons move around the nucleus.
- The nucleus is much smaller than the whole atom.
+ 2 more examples
- Protons and neutrons are found in the nucleus.
- A heavy nucleus can split during fission.
- 2
[C] biology
the central part of a living cell, which contains its genetic material
केंद्रक (कोशिका का)
- The nucleus controls the activities of the cell.
- Red blood cells in humans have no nucleus.
- The cell divides after its nucleus has divided.
+ 2 more examples
- Under the microscope, we could see the nucleus stained dark blue.
- Genes are stored in the nucleus of the cell.
- 3
[C]
the central and most important part of an object, a movement or a group
केंद्र, मूल भाग, आधार
- These young players form the nucleus of the team.
- The old library became the nucleus of the new university.
- A few experienced members formed the nucleus of the new committee.
+ 2 more examples
- The small shop was the nucleus of the neighbourhood's trade.
- This school became the nucleus of a larger education trust.
◇Word family
nuclear adjective
§Grammar and usage
Plural: the plural is nuclei, pronounced with the ending 'eye'.
Plural में इसका plural nuclei है, जिसका अंत 'आई' जैसे बोला जाता है।
✓In the exam
General knowledge
The nucleus of the atom was discovered by Ernest Rutherford in 1911.
परमाणु के nucleus की खोज Ernest Rutherford ने 1911 में की थी।