1 [NEW!] Sports vocabulary : Words for popular American sports. [ 2 NEW!] Air Travel: Useful words for traveling on airplanes and through airports. 3  The Environment: Vocabulary related to environmental science and climate change.  Family members: Relatives and other important people.
diffusion coefficient see diffusion coefficient. coefficient of digestibility the proportion of a food that is digested compared to what is absorbed, expressed as a percentage. dilution coefficient a number that expresses the effectiveness of a disinfectant for a given organism.
1 In chemistry, biochemistry, molecular biology, or microbiology, the mass extinction coefficient and the molar extinction coefficient (also called molar absorptivity) are parameters defining how strongly a substance absorbs light at a given wavelength, per mass density or per molar concentration, respectively.xtinction coefficient refers to several different measures of the absorption of light in a medium: