| Knoop | Hedwig, German physician, *1908. See: Knoop's theory. (05 Mar 2000) |
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| Knoop hardness number | A number obtained by dividing the load in kg applied to a pyramid-shaped diamond of specific size divided by the projected area of the impression: KHN = L/A, where A= the projected area of the impression in mm2 and L= the load in kg; used for measurements of hardness of any materials, especially very hard and brittle substances such as tooth dentin and enamel. (05 Mar 2000) |
| Knoop's theory | That the catabolism of fatty acids occurs in stages in each of which there is a loss of two carbon atoms as a result of oxidation at the beta-carbon atom, e.g. (05 Mar 2000) |