Rigor: A word with two different but related meanings in medicine: 1. A chill, usually with shivering, as at the onset of high fever and chills. 2. Rigidity, as in rigor mortis, the rigidity of a body after death. The alternate spelling rigour is chiefly British. From the French, from the Latin rigor, meaning stiffness, from rigere, to be stiff.
-ine is a suffix used in chemistry to denote two kinds of substance. The first is a chemically basic and alkaloidal substance.
suffix definition A letter or a group of letters added to the end of a word to change its meaning. For example, adding the suffix -ter to the adjective hot turns it into the comparative adjective hotter, and adding the suffix -ly to the adjective quick turns it into the adverb quickly. Other examples of words with suffixes are: âwilling,â âmanagement,â âserviceable,â âharmonize,â and âjoyful.â (Compare prefix.)