(medicine) Congenital aganglionic megacolon, a disorder in which the bowel is obstructed by an aganglionic section of bowel and the colon becomes enlarged.

A type of compact submachine gun, having a caliber of 9 millimeters with ammunition housed in the grip of the weapon.

(astronomy, celestial mechanics) An imaginary celestial body (corresponding to another, real, orbiting one) which orbits with constant speed along an auxiliary circle (a circle which shares a diame...

(pathology) A rare syndrome of which symptoms include facial dysmorphism, short stature, motor control and learning difficulties, ataxia, microcephaly, conjunctival telangiectasia, recurring sinus ...