Crossword clues for nuclei
nuclei
The Collaborative International Dictionary
Nucleus \Nu"cle*us\, n.; pl. E. Nucleuses, L. Nuclei. [L., a kernel, dim. fr. nux, nucis, nut. Cf. Newel post.]
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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.
It must contain within itself a nucleus of truth.
--I. Taylor. (Astron.) The body or the head of a comet.
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(Bot.)
An incipient ovule of soft cellular tissue.
A whole seed, as contained within the seed coats.
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(Biol.) A body, usually spheroidal, in a eukaryotic cell, distinguished from the surrounding protoplasm by a difference in refrangibility and in behavior towards chemical reagents, which contains the chromosomal genetic material, including the chromosomal DNA. 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.
Note: The nucleus is sometimes termed the endoplast or endoblast, and in the protozoa is supposed to be concerned in the female part of the reproductive process. See Karyokinesis.
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(Zo["o]l.)
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.
Wiktionary
WordNet
n. a part of the cell containing DNA and RNA and responsible for growth and reproduction [syn: cell nucleus, karyon]
the positively charged dense center of an atom
a small group of indispensable persons or things; "five periodicals make up the core of their publishing program" [syn: core, core group]
(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
[also: nuclei (pl)]
See nucleus
Usage examples of "nuclei".
He could calculate the amount of energy released when four hydrogen nuclei changed to one helium nucleus.
Finally, above three billion degrees, silicon, which is produced in a process involving collisions of oxygen nuclei, begins to burn, and all the elements are produced up to and including iron.
In every country multiplying nuclei of crime began to work out the problems of that terroristic gang discipline which is imperative upon those who combine to defy the law.
Modern State Fellowship itself, so far as many of its nuclei were concerned, was at first of this nature, a coalescence of all these varied technicians who realized that employment would vanish, that everything they valued in life would vanish, with the spread of social disorder.
It is unnecessary to tell in any detail his far-sighted schemes to link his nuclei into a world propaganda, because by insensible degrees that organization has grown into the educational system of our world to-day.
An increasing proportion of the younger men, abandoning all ideas of loyalty to or cooperation with the old administrative institutions, and with an ever clearer consciousness of their objective, set themselves to organize nuclei after the De Windt pattern and to link these up with other nuclei.
Its nuclei and schools were still propagandist schools in 1975 and quasi independent of the trading, transport and industrial organizations that endowed them.
If, on the one hand, it found presently that its own Fellowship was not altogether as free as it had been at first from reactionary weaknesses and traditional sentiments, on the other it found that its leading ideas, by virtue of its material successfulness and of continual explicit statement, were spreading far beyond the limits of its nuclei and its organized teaching.
Modern State nuclei and Control agents conducting the educational work of the Council and in reasonable contact with the local economic life, with local enterprises, local authorities and individuals not yet affiliated to the Modern State organization.
Everywhere there were Modern State nuclei ready to come into conference and fully informed upon local or regional issues.
In nearly every part of the earth the nuclei had prepared a personnel of sympathizers and auxiliaries, varying in character with local conditions, outside the ranks of the Fellowship.
Overt Birth Control knowledge had been successfully banned, though this produced no effect in the decline in population, and the Modern State nuclei had been boycotted more effectually there than in any other part of the world.
Naturally it began mainly as localized nuclei, but those localizations were merely for convenience of propaganda, teaching, and local purposes.
The artifact appears to emit a spherical wave that temporarily destabilizes nuclei of all elements with an atomic number above seventy-five.
On the other hand, if the nuclei affected drop much below seventy-five in atomic numbers .