simple past tense and past participle of widthen

(historical) A small town in the ancient region of Cappadocia.

(organic chemistry) The lactam (2S,5S)-5-(hydroxymethyl)-1-methyl-2-propan-2-yl-2,4,5,6-tetrahydro-1,4-benzodiazocin-3-one or any derivative that inhibits some kinases

plural of deuterophlebiid