(idiomatic, computing, technology) The condition of favoring entrenched and inferior technologies or practices over superior technologies or practices.

(dated) Synonym of persistent genital arousal disorder

(medicine) The rare condition of having eaten large quantities of hair, which subsequently become lodged within a long portion of the intestine.

A disorienting neurological condition involving micropsia, macropsia, or size distortion of other sensory modalities.

A genetic disorder that affects the first branchial (or pharyngeal) arch in a developing foetus, causing developmental problems.

(psychology) A behavioral or psychological condition that results from the loss or emotional neglect of one or both parents, manifesting a variety of physical and emotional symptoms.

(mineralogy) An orthorhombic-dipyramidal mineral containing arsenic, calcium, hydrogen, lead, magnesium, manganese, and oxygen.

(medicine) A rare congenital medical condition in which blood vessels and/or lymph vessels fail to form properly. The three main features are nevus flammeus, venous and lymphatic malformations, and soft-tissue hypertrophy of the affected limb.

A condition characterized by chronic pain after back surgery.

(sports, pathology) A sports injury causing chronic pain in the kneecap.