| centchroman | <chemical> A non-steroidal anti-fertility agent with anti-hormonal properties. Pharmacological action: contraceptives, postcoital, synthetic, oestrogen antagonists. Chemical name: Pyrrolidine, 1-(2-(4-(3,4-dihydro-7-methoxy-2,2-dimethyl-3-phenyl-2H-1-benzopyran-4-yl)phenoxy)ethyl)-, trans- (12 Dec 1998) |
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| centering force | <physics, radiobiology> Term for the mutual attraction between the parallel currents in the inboard leg of the toroidal field coils in a toroidal magnetic fusion system. The portion of the coil running through the doughnut hole is attracted towards the centre of the hole. (13 Nov 1997) |
| Centers for Disease Control and Prevention | <organisation> The U.S. Public health agency serving as the centre for preventing, tracking controlling and investigating the epidemiology of AIDS and other diseases. (26 Mar 1998) |
| centers of origin | <agriculture> Usually the location in the world where the oldest cultivation of a particular crop has been identified. (09 Oct 1997) |
| centesis | Puncture, especially when used as a suffix, as in paracentesis. Origin: G. Kentesis, puncture, fr. Kenteo, to prick, pierce (05 Mar 2000) |
| centi- | <prefix, unit> A metric prefix indicating 1/100 th of a given unit. For example, one centimetre is 1/100 th of a metre. (29 Oct 1998) |
| centibar | One hundredth of a bar. (05 Mar 2000) |
| centigrade | <unit> A measurement of temperature (Celsius or Centigrade) that is commonly used in Europe. Normal body temperature is considered to be 37 degrees Celsius or 98.6 degrees Fahrenheit. Body temperature can vary 1/2 degree Celsius above or below 37 C and still be considered normal. Body temperature varies with many factors including level of activity. To convert a Fahrenheit temperature to Celsius use: C = (F-32) x 5/9. To convert a Celsius temperature to Fahrenheit use: F = (C x 9/5) + 32 (13 Nov 1997) |
| centigrade scale | A thermometer scale in which there are 100 degrees between the freezing point of water (assigned the value of 0.0캜) and the boiling point of water at sea level; technically, supplanted by the Celsius scale. Compare: Celsius scale. (05 Mar 2000) |
| centigram | One hundredth of a gram; 0.15432358 grain. (05 Mar 2000) |
| centile | One-hundredth. Origin: L. Centum, one hundred, + -ilis, adj. Suffix (05 Mar 2000) |
| centiliter | 10 Milliliters; one hundredth of a liter; 162.3073 minims (U.S.). (05 Mar 2000) |
| centimeter | One hundredth of a meter; 0.3937008 inch. Cubic centimeter (cc, c.c.), one thousandth of a liter; 1 milliliter. Abbreviation: cm (05 Mar 2000) |
| centimeter-gram-second system | The scientific system of expressing the fundamental physical units of length, mass, and time, and those units derived from them, in centimeters, grams, and seconds; currently being replaced by the International System of Units based on the meter, kilogram, and second. (05 Mar 2000) |
| centimeter-gram-second unit | <unit> An absolute unit of the centimeter-gram-second system. (05 Mar 2000) |