| centers of origin | <agriculture> Usually the location in the world where the oldest cultivation of a particular crop has been identified. (09 Oct 1997) |
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| 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) |
| centimorgan | <genetics, unit> A unit of measure of recombination frequency. One centimorgan is equal to a 1% chance that a marker at one genetic locus will be separated from a marker at a second locus due to crossing over in a single generation. In human beings, 1 centimorgan is equivalent, on average, to 1million base pairs. (13 Jan 1998) |
| centinormal | One hundredth normal; denoting the concentration of a solution. (05 Mar 2000) |
| centipede | A venomous predatory arthropod of the order Chilopoda, characterised by one pair of legs per leg-bearing segment. The venom is injected through the first pair of leg-like appendages, modified into piercing claws; the bites may be painful and locally necrotic, but seldom are dangerous, except to very young children. Genera found in the U.S. Include Scutigera, Lithobius, Scolopendra, and Geophilus. Origin: L. Centum, hundred, + pes (ped-), foot (05 Mar 2000) |