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.
Aine /aine/ [1 syll.] as a girls' name is of Gaelic and Celtic origin, and the meaning of Aine is brilliant; happiness. Though not strictly related, Anne, Anna and Hannah have been used as English versions of Aine. Affiliated girl names: Aithne, Anya and Eithne.