Thanks for using this online dictionary, we have been helping millions of people improve their use of the english language with its free online services. English definition of nucleus is as below...

Nucleole :: Nucleole (n.) The nucleus within a nucleus; nucleolus.

Tercine :: Tercine (n.) A cellular layer derived from the nucleus of an ovule and surrounding the embryo sac. Cf. Quintine.

Pentamethylene :: Pentamethylene (n.) A hypothetical hydrocarbon, C5H10, metameric with the amylenes, and the nucleus of a large number of derivatives; -- so named because regarded as composed of five methylene residues. Cf. Trimethylene, and Tetramethylene..

Endoplastica :: Endoplastica (n. pl.) A group of Rhizopoda having a distinct nucleus, as the am/ba..

Nonnucleated :: Nonnucleated (a.) Without a nucleus.

Thiophthene :: Thiophthene (n.) A double thiophene nucleus, C6H4S2, analogous to thionaphthene, and the base of a large series of compounds..

Diaster :: Diaster (n.) A double star; -- applied to the nucleus of a cell, when, during cell division, the loops of the nuclear network separate into two groups, preparatory to the formation of two daughter nuclei. See Karyokinesis..

Envelop :: Envelop (n.) The nebulous covering of the head or nucleus of a comet; -- called also coma.

Pyridine :: Pyridine (n.) A nitrogenous base, C5H5N, obtained from the distillation of bone oil or coal tar, and by the decomposition of certain alkaloids, as a colorless liquid with a peculiar pungent odor. It is the nucleus of a large number of organic substances, among which several vegetable alkaloids, as nicotine and certain of the ptomaines, may be mentioned. See Lutidine..

Plastin :: Plastin (n.) A substance associated with nuclein in cell nuclei, and by some considered as the fundamental substance of the nucleus..

Chalaza :: Chalaza (n.) The place on an ovule, or seed, where its outer coats cohere with each other and the nucleus..

Periblast :: Periblast (a.) The protoplasmic matter which surrounds the entoblast, or cell nucleus, and undergoes segmentation..

Quinoline :: Quinoline (n.) A nitrogenous base, C9H7N obtained as a pungent colorless liquid by the distillation of alkaloids, bones, coal tar, etc. It the nucleus of many organic bodies, especially of certain alkaloids and related substances; hence, by extension, any one of the series of alkaloidal bases of which quinoline proper is the type..

Indogen :: Indogen (n.) A complex, nitrogenous radical, C8H5NO, regarded as the essential nucleus of indigo..

Nucleate :: Nucleate (v. t.) To gather, as about a nucleus or center..

Nucleate :: Nucleate (a.) Having a nucleus; nucleated.

Nucleus :: Nucleus (n.) 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..

Phosphonium :: Phosphonium (n.) The hypothetical radical PH4, analogous to ammonium, and regarded as the nucleus of certain derivatives of phosphine..

Blastide :: Blastide (n.) A small, clear space in the segments of the ovum, the precursor of the nucleus..

Nucleiform :: Nucleiform (a.) Formed like a nucleus or kernel.

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