| Word | Description |
| Warburg Apparatus | Refers to a small vessel attached to a manometer in which reactions that involve gas exchange can be followed. The vessel is immersed in a constant -temperature bath and shaken continually to equilibrate the gas in solution, where the reactions are takin |
| Warburg's Yellow Enzyme | Refers to a flavoprotein that is part of the cell oxidation chain; passes on the hydrogen from reduced coenzyme 1 to cytochrome. |
| Water, Demineralised | Refers to water that has been purified by passage through a bed of ion-exchange resin which removes minerals salts. Demineralised or deionised water is as pure as, and can be purer than, distilled water. |
| Water, Hardness | Refers to soap-precipitating power of water because of the formation of insoluble calcium and magnesium salts of the soap. Themporary hardness can be removed by boiling, permanent hardness is not. May be measured in degree Clerke; One degre= 1 part of c |
| Water -soluble Vitamins | Refers to all the members of the B.complex (thiamin, riboflavin, nicotinic acid, pantothenic acid, pyriodoxine, biotin, folic acid, para-amino benzonic acid, choline, inositaol and vitamin B12) and vitmain C. Unlike the storage of vitamins A and D in the |
| Waxes | Esters of fatty acids having long-chain monohydric alcohols (fats are esters of fatty acids with the three- carbon trihydric alcohol, glycerol). For example, beeswax, ester of palmitic acid with myricyl alcohol; spermaceti, cetyl palmitate. Animal waxes |
| Weende Analysis | Refers to analysis of foods and feedingstuffs for nitrogen, either extract, crude fibre and ash together with soluble carbohydrate calculated by subtracting these values from the total. |
| Weight-for-age | Standard weight-for-age refers to the 50th centile of the weight-for-age curves of well-fed children. |
| Weighting Oils | Brominated oils. |
| Wetzel Grid | Children have been grouped by physique into give groups, ranging from tall and thin to short and thick-set. A healthy child will grow, as measured by height and weight, along one of these channels at a standard rate, if he devitates from the channel maln |
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