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.
-ina f (plural -ine) Alterative suffix used to form diminutives of feminine nouns. mano (âhandâ) + â-ina â âmanina (âsmall handâ) Derivational suffix used to form adjectives or nouns, specifically: Used to form the feminine of masculine nouns and given names. Used to form collective numerals. cinquanta (âfiftyâ) + â-ina â âcinquantina (âa total of about fiftyâ) Used to derive nouns denoting a profession.