| kat | <botany> An Arabian shrub Catha edulis) the leaves of which are used as tea by the Arabs. Source: Websters Dictionary (01 Mar 1998) |
|---|---|
| kata- | Alternative spelling for cata-; down. Origin: G. Kata, down (05 Mar 2000) |
| katal | Unit of catalytic activity equal to one mole of product formed (or substrate consumed) per second, as of the amount of enzyme that catalyses transformation of one mole of substrate per second. Abbreviation: kat (05 Mar 2000) |
| katathermometer | An alcohol-filled thermometer of specified design that is heated above ambient temperature and then allowed to cool; the time taken to cool between specified temperatures is a measure of the heat content of the environment that takes into account air movement as well as temperature. The bulb may be silvered to minimise radiation effects or blackened to maximise them. (05 Mar 2000) |
| Katayama | Kunika, Japanese physician, 1856-1931. See: Katayama's test. (05 Mar 2000) |
| Katayama disease | Acute early egg-laying phase of schistosomiasis, a toxaemic syndrome in heavy primary infections, rarely seen in chronic cases. It is considered a form of immune complex disease or serum sickness-like condition. Described for schistosomiasis japonica, but observed with other forms as well. Synonym: Katayama fever. Origin: town in Japan where the d. Is common (05 Mar 2000) |
| Katayama fever | Acute early egg-laying phase of schistosomiasis, a toxaemic syndrome in heavy primary infections, rarely seen in chronic cases. It is considered a form of immune complex disease or serum sickness-like condition. Described for schistosomiasis japonica, but observed with other forms as well. Synonym: Katayama fever. Origin: town in Japan where the d. Is common (05 Mar 2000) |
| Katayama syndrome | Schistosomiasis caused by schistosoma japonicum. It is endemic in the far east and affects the bowel, liver, and spleen. (12 Dec 1998) |
| Katayama's test | A qualitative colourimetric test for the presence of carboxyhemoglobin in the blood. (05 Mar 2000) |
| kate | <zoology> The brambling finch. Source: Websters Dictionary (01 Mar 1998) |
| kathetal | <mathematics> Making a right angle; perpendicular, as two lines or two sides of a triangle, which include a right angle. Origin: Gr. A perpendicular line. See Cathetus. Source: Websters Dictionary (01 Mar 1998) |
| kathode | An obsolete spelling of cathode. (05 Mar 2000) |
| kation | An obsolete spelling of cation. (05 Mar 2000) |
| katsuwokinase | <enzyme> Fibrinolytic enzyme from skipjack shiokara, a japanese traditional fermented food; stable in 10% nacl; n-terminal has 80% homology to trypsin Registry number: EC 3.4.99.- (26 Jun 1999) |
| katydid | <zoology> A large, green, arboreal, orthopterous insect (Cyrtophyllus concavus) of the family Locustidae, common in the United States. The males have stridulating organs at the bases of the front wings. During the summer and autumn, in the evening, the males make a peculiar, loud, shrill sound, resembling the combination Katy-did, whence the name. Source: Websters Dictionary (01 Mar 1998) |