(history) Synonym of Berlin Wall (from the perspective of East Germany).

(aviation, space flight) An anti-G technique to increase G-tolerance and reduce G-LOC incidences, that has been described as like straining on the toilet while constipated. The technique has taught in training as visualizing a walnut held between one's buttcheeks, and then trying to crush it.

plural of anti-social personality disorder

Alternative form of antisocial personality disorder

(pharmacology) Alternative spelling of nonsteroidal anti-inflammatory drug

plural of non-steroidal anti-inflammatory drug