| SOD | Super-Oxide Dismutase |
|---|---|
| SVC | 1) Superior Vena Cava 2) Super-Visor Call |
| shf | super-high frequency |
| SRWS | super radiology work station |
| SQUID | SUper Conducting Quantum Interference Device |
|---|---|
| SFC | Super-critical fluid chromatography |
| absorbency | 1. <chemistry, investigation> Absorbance is defined as a logarithmic function of the percent transmission of a wavelength of light through a liquid. 2. <microbiology> This can be used as a measure of the amount of light absorbed by a suspension of bacterial cells or a solution of an organic molecule, it is measured by a colourimeter or spectrophotometer. Absorbance values are used to plot the growth of bacteria in suspension cultures and to gauge the purity and concentration of molecules (such as proteins) in solution. See: absorption. (15 Jan 1998) |
|---|---|
| super- | 1. <prefix> A prefix signifying above, over, beyond, and hence often denoting in a superior position, in excess, over and above, in addition, exceedingly; as in superimpose, supersede, supernatural, superabundance. 2. <chemistry> A prefix formerly much used to denote that the ingredient to the name of which it was prefixed was present in a large, or unusually large, proportion as compared with the other ingredients; as in calcium superphosphate. It has been superseded by per-, bi-, di-, acid, etc. (as peroxide, bicarbonate, disulphide, and acid sulphate), which retain the old meanings of super-, but with sharper definition. Cf. Acid, Bi-, Di-, and Per-. Origin: L. Super over, above; akin to Gr, L. Sub under, and E. Over. See Over, and cf. Hyper-, Sub-, Supra-, Sur-. (29 Oct 1998) |
| tampons | Pads or plugs made of cotton, sponge, or other material. They are variously used in surgery to plug the nose, vagina, etc., for the control of haemorrhage or the absorption of secretions. (12 Dec 1998) |
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