| neat | <zoology> Cattle of the genus Bos, as distinguished from horses, sheep, and goats; an animal of the genus Bos; as, a neat's tongue; a neat's foot. "Wherein the herds[men] were keeping of their neat." (Spenser) "The steer, the heifer, and the calf Are all called neat." (Shak) "A neat and a sheep of his own." (Tusser) Neat's-foot, an oil obtained by boiling the feet of neat cattle. It is used to render leather soft and pliable. Origin: AS. Neat; akin to OHG. Nz, Icel. Naut, Sw. Not, Dan. Nod, and to AS. Neotan to make use of, G. Geniessen, Goth. Niutan to have a share in, have joy of, Lith. Nauda use, profit. Source: Websters Dictionary (01 Mar 1998) |
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| neatress | A woman who takes care of cattle. Origin: From neat cattle. Source: Websters Dictionary (01 Mar 1998) |
| nebalia | <zoology> A genus of small marine Crustacea, considered the type of a distinct order (Nebaloidea, or Phyllocarida) Origin: NL, of uncertain origin. Source: Websters Dictionary (01 Mar 1998) |
| nebramycin | <chemical> A complex of antibiotic substances produced by streptomyces tenebrarius. Pharmacological action: antibiotics, aminoglycoside. Chemical name: Nebramycin (12 Dec 1998) |
| Nebraska calf scours virus | The bovine rotavirus. See: rotavirus. (05 Mar 2000) |
| nebula | Origin: L, mist, cloud; akin to Gr, cloud, mist, G. Nebel mist, OHG. Nebul, D. Nevel, Skr. Nabhas cloud, mist. Cf. Nebule. 1. <astronomy> A faint, cloudlike, self-luminous mass of matter situated beyond the solar system among the stars. True nebulae are gaseous; but very distant star clusters often appear like them in the telescope. 2. <medicine> A white spot or a slight opacity of the cornea. A cloudy appearance in the urine. Source: Websters Dictionary (01 Mar 1998) |
| nebular | Of or pertaining to nebulae; of the nature of, or resembling, a nebula. Nebular hypothesis, an hypothesis to explain the process of formation of the stars and planets, presented in various forms by Kant, Herschel, Laplace, and others. As formed by Laplace, it supposed the matter of the solar system to have existed originally in the form of a vast, diffused, revolving nebula, which, gradually cooling and contracting, threw off, in obedience to mechanical and physical laws, succesive rings of matter, from which subsequently, by the same laws, were produced the several planets, satellites, and other bodies of the system. The phrase may indicate any hypothesis according to which the stars or the bodies of the solar system have been evolved from a widely diffused nebulous form of matter. Source: Websters Dictionary (01 Mar 1998) |
| nebularine | A toxic nucleoside isolated from the mushroom Agaricus nebularis and from Streptomyces sp. Synonym: 9-beta-ribofuranosylpurine, purine ribonucleoside, ribosylpurine. (05 Mar 2000) |
| nebulin | <protein> Family of large matrix proteins (600-900 kD) found in the N line of the sarcomere of striated muscle. Consist of many (more than 200) repeats of conserved actin binding motifs, bind to F actin and may serve as templates for assembly of the sarcomere. (18 Nov 1997) |
| nebulise | To break up a liquid into a fine spray or vapor; to vaporise. Origin: L. Nebula, mist (05 Mar 2000) |
| nebuliser | A device used to reduce liquid medication to extremely fine cloudlike particles; useful in delivering medication to deeper parts of the respiratory tract. See: atomiser, vaporiser. (05 Mar 2000) |
| nebulisers and vaporisers | Devices that cause a liquid or solid to be converted into an aerosol (spray) or a vapor. It is used in drug administration by inhalation, humidification of ambient air, and in certain analytical instruments. (12 Dec 1998) |
| nebulization | <medicine> The act or process of nebulizing; atomization. Source: Websters Dictionary (01 Mar 1998) |
| nebulize | To reduce (as a liquid) to a fine spray or vapor; to atomize. See: Nebula. Source: Websters Dictionary (01 Mar 1998) |
| nebulizer | A device, pressurised by an oxygen tank, for the purpose of converting a liquid medication into a fine mist that can be inhaled. (27 Sep 1997) |