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.
-ite. 1. A suffix used to form the names of minerals, such as hematite and malachite. 2. A suffix used to form the name of a salt or ester of a specified acid whose name ends in-ous. Such salts or esters have one oxygen atom fewer than corresponding salts or esters with names ending in-ate.For example, a nitrite is a salt of nitrous acid and contains the group NO 2, while a nitrate contains NO 3.ite. suffix forming nouns. 1. a native or inhabitant of: Israelite. 2. a follower or advocate of; a member or supporter of a group: Luddite; labourite. 3. (Biology) (in biology) indicating a division of a body or organ: somite. 4. (Geological Science) indicating a mineral or rock: nephrite; peridotite.