The nucleus (plural nuclei) is the central part of theatom; it contains the protons and neutrons. Mass, Volume and Density Nearly all of the atom's mass is contained in the nucleus; the volume of the nucleus is tiny compared with the atom's total volume; thus the density of matter in...
1. A central or essential part around which other parts are gathered or grouped; a core: the nucleus of a city. 2. Something regarded as a basis for future development and growth; a kernel: a few paintings that formed the nucleus of a great art collection. 3. Biology A membrane-bound...
4.the dense core of an atom, made of protons and neutrons held together by the strong nuclear force. Traveling in orbit around it is a cloud of negatively charged particles calledelectrons. The number of protons in the atomic nucleus gives a substance its identity as a particularelement. Call...
cell nucleus- a part of the cell containing DNA and RNA and responsible for growth and reproduction karyon,nucleus cell- (biology) the basic structural and functional unit of all organisms; they may exist as independent units of life (as in monads) or may form colonies or tissues as in hig...
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Nucleus The term 'Nucleus' as it applies to the area of nuclear science can be defined as ' The small, central, positively charged region of an atom. Except for the nucleus of ordinary hydrogen, which has only a proton, all atomic nuclei contain both protons and neutrons. The number of...
The meaning of NUCLEUS is the small bright body in the head of a comet. How to use nucleus in a sentence.
made up of neutrons, protons, and other elementary particles2 the central part of almost all the cells of living things3 a small important group at the centre of a larger group or organizationnucleus of the nucleus of an effective team Marantz and Grohl form the nucleus of the Atlanta operat...
Share the Definition of macronucleus on Twitter Twitter Medical Definition macronucleus noun mac·ro·nu·cle·us ˌmak-rō-ˈn(y)ü-klē-əs plural macronuclei -ˌī also macronucleuses : a relatively large densely staining nucleus of most ciliate protozoans that ...
The meaning of KERNEL is the inner softer part of a seed, fruit stone, or nut. How to use kernel in a sentence.