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.
Prefixes are letters which we add to the beginning of a word to make a new word with a different meaning. Prefixes can, for example, create a new word opposite in meaning to the word the prefix is attached to. They can also make a word negative or express relations of time, place or manner. Here are some examples: base word.
1 'un' is one of the most common prefixes in English. 2  A suffix is added at the end of a word, and a prefix is added to the beginning. 3  Prefixes can be used to create new words in English. ' Eco-' is a prefix used to mean 'relating to the environment'.