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Janizary :: "Janizary (n.) A soldier of a privileged military class, which formed the nucleus of the Turkish infantry, but was suppressed in 1826..

Ovule :: Ovule (n.) The rudiment of a seed. It grows from a placenta, and consists of a soft nucleus within two delicate coatings. The attached base of the ovule is the hilum, the coatings are united with the nucleus at the chalaza, and their minute orifice is the foramen..

Para- :: Para- () A prefix denoting: (a) Likeness, similarity, or connection, or that the substance resembles, but is distinct from, that to the name of which it is prefixed; as paraldehyde, paraconine, etc.; also, an isomeric modification. (b) Specifically: (Organ. Chem.) That two groups or radicals substituted in the benzene nucleus are opposite, or in the respective positions 1 and 4; 2 and 5; or 3 and 6, as paraxylene; paroxybenzoic acid. Cf. Ortho-, and Meta-. Also used adjectively..

Valeryl :: Valeryl (n.) The hypothetical radical C5H9O, regarded as the essential nucleus of certain valeric acid derivatives..

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..

Chromosome :: Chromosome (n.) One of the minute bodies into which the chromatin of the nucleus is resolved during mitotic cell division; the idant of Weismann.

Uninucleated :: Uninucleated (a.) Possessed of but a single nucleus; as, a uninucleated cell..

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

Mesoplast :: Mesoplast (n.) The nucleus of a cell; mesoblast.

Nucleus :: 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..

Paranucleus :: Paranucleus (n.) Some as Nucleolus.

Nucleoplasmic :: Nucleoplasmic (a.) Of or pertaining to nucleoplasm; -- esp. applied to a body formed in the developing ovum from the plasma of the nucleus of the germinal vesicle.

Umbra :: Umbra (n.) The central dark portion, or nucleus, of a sun spot..

Multispiral :: Multispiral (a.) Having numerous spiral coils round a center or nucleus; -- said of the opercula of certain shells.

Coma :: Coma (n.) The envelope of a comet; a nebulous covering, which surrounds the nucleus or body of a comet..

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

Indogenide :: Indogenide (n.) Any one of the derivatives of indogen, which contain that group as a nucleus..

Met- :: Met- () That two replacing radicals, in the benzene nucleus, occupy the relative positions of 1 and 3, 2 and 4, 3 and 5, 4 and 6, 5 and 1, or 6 and 2; as, metacresol, etc. See Ortho-, and Para-..

Nucleus :: Nucleus (n.) The central part around which additional growths are added, as of an operculum..

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

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