Initialism of Palestine Solidarity Campaign.

Initialism of Putonghua Proficiency Test, standardized test of Standard Mandarin Chinese proficiency for native speakers

(astronomy, obsolete) Abbreviation of parsec. / (geometry) Abbreviation of parallax second.

The double crown of ancient Egypt, combining the white crown of Upper Egypt with the red crown of Lower Egypt, worn by pharaohs after the union of the two kingdoms in around 3000 BC.

plural of pschent