simple past tense and past participle of regen

(American spelling) Of, pertaining to or suffering from glycemia.

Relating to or descended from Frankish dynasty of Charles Martel; Carolingian.

(organic chemistry) An oxylipin lipid, containing a cyclopentanone ring, related to the prostaglandins; its esters, the jasmonates, are responsible for the smell of jasmine and act as plant hormones