nucleus (Meaning)
nucleus (n)
a part of the cell containing DNA and RNA and responsible for growth and reproduction
the positively charged dense center of an atom
a small group of indispensable persons or things
(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
any histologically identifiable mass of neural cell bodies in the brain or spinal cord
the central structure of the lens that is surrounded by the cortex
nucleus (n.)
A kernel; hence, a central mass or point about which matter is gathered, or to which accretion is made; the central or material portion; -- used both literally and figuratively.
The body or the head of a comet.
An incipient ovule of soft cellular tissue.
A whole seed, as contained within the seed coats.
A body, usually spheroidal, in a cell or a protozoan, distinguished from the surrounding protoplasm by a difference in refrangibility and in behavior towards chemical reagents. It is more or less protoplasmic, and consists of a clear fluid (achromatin) through which extends a network of fibers (chromatin) in which may be suspended a second rounded body, the nucleolus (see Nucleoplasm). See Cell division, under Division.
The tip, or earliest part, of a univalve or bivalve shell.
The central part around which additional growths are added, as of an operculum.
A visceral mass, containing the stomach and other organs, in Tunicata and some mollusks.
Synonyms & Antonyms of nucleus
nucleus Sentence Examples
- The nucleus, the central core of an atom, contains protons and neutrons.
- The nucleus is extremely dense, occupying only a tiny fraction of the atom's volume.
- Radioactive isotopes have unstable nuclei that undergo decay, emitting particles and energy.
- The nucleus is shielded from the surrounding electrons by the electron cloud.
- Nuclear fusion is the process of combining two or more atomic nuclei into a single larger nucleus, releasing vast amounts of energy.
- Nuclear fission, the splitting of a heavy nucleus into smaller nuclei, is the principle behind nuclear power plants and nuclear weapons.
- The nucleus plays a crucial role in determining the chemical and physical properties of an element.
- The nucleus is protected by a nuclear membrane in eukaryotic cells, which separates it from the cytoplasm.
- Scientists use nuclear magnetic resonance (NMR) spectroscopy to study the structure and dynamics of molecules by manipulating the magnetic properties of their nuclei.
- The discovery of the nucleus revolutionized our understanding of the atom and paved the way for groundbreaking advancements in physics and technology.
FAQs About the word nucleus
a part of the cell containing DNA and RNA and responsible for growth and reproduction, the positively charged dense center of an atom, a small group of indispen
core, hub, capital,center, focus, base, mecca, heart, nerve center, playground
No antonyms found.
The nucleus, the central core of an atom, contains protons and neutrons.
The nucleus is extremely dense, occupying only a tiny fraction of the atom's volume.
Radioactive isotopes have unstable nuclei that undergo decay, emitting particles and energy.
The nucleus is shielded from the surrounding electrons by the electron cloud.
