| plus | 1. <mathematics> More, required to be added; positive, as distinguished from negative; opposed to minus. 2. Hence, in a literary sense, additional; real; actual. "Success goes invariably with a certain plus or positive power." (Emerson) 3. <mathematics> Plus sign, the sign (+) which denotes addition, or a positive quantity. Origin: L, more; akin to Gr, and cf. Piu, Pleonasm. (11 Mar 1998) |
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| plus lens | A converging lens. Synonym: plus lens. (05 Mar 2000) |
| plus strand | See: replicative form. (05 Mar 2000) |
| fluorescence plus Giemsa stain | <technique> A stain used to demonstrate sister chromatid exchange; cells are grown in 5-bromodeoxyuridine, followed by chromosome preparation, staining in Hoechst 33258, exposure to light, and staining in Giemsa; chromosomes exhibit a "harlequin" appearance. (05 Mar 2000) |
| benzene mono-oxygenase | <enzyme> Cytochrome p-450-dependent; forms benzene oxide Registry number: EC 1.13.12.- (26 Jun 1999) |
| bromomethane mono-oxygenase | <enzyme> Enzyme responsible for methane oxidation in vivo Registry number: EC 1.13.12.- (26 Jun 1999) |
| mono | 1. <zoology> The black howler of Central America (Mycetes villosus). 2. <prefix> The participation or involvement of a single element or part. Compare: uni-. Origin: G. Monos, single (21 Jun 2000) |
| mono-amelia | Absence of one limb. (05 Mar 2000) |
| infectious mono | See infectious mononucleosis. (12 Dec 1998) |
| lactate 2-mono-oxygenase | A flavoprotein oxidoreductase catalyzing oxidation (with O2) of l-lactate to acetate plus CO2 and water. Synonym: lactic acid oxidative decarboxylase. (05 Mar 2000) |
| air syringe | A tapered metal tube through which air is forced from a rubber bulb or pressure tank to blow debris from, or to dry, a cavity in preparing teeth for restoration. Synonym: air syringe. (05 Mar 2000) |
| chip syringe | A tapered metal tube through which air is forced from a rubber bulb or pressure tank to blow debris from, or to dry, a cavity in preparing teeth for restoration. Synonym: air syringe. (05 Mar 2000) |
| ring syringe | A type of Luer-Lok syringe with thumb and finger rings attached to the proximal end of the barrel and to the tip of the plunger, allowing operation of the syringe with one hand. Synonym: ring syringe. (05 Mar 2000) |
| Roughton-Scholander syringe | A syringe-like device for analyzing the respiratory gases in a small sample of blood. Synonym: Roughton-Scholander syringe. (05 Mar 2000) |
| rubber-bulb syringe | A syringe with a hollow rubber bulb and cannula provided with a check valve, used to obtain a jet of air or water. (05 Mar 2000) |