polar stratospheric cloud

present participle of hold all the cards

(uncountable) A photomechanical printing process in which a relief pattern in gelatin is hardened and pressed against a metal plate, producing an intaglio. / (countable) A print of this kind.

(Greek mythology) A Greek prophetic sea-god, born mortal and turned immortal upon eating a magical herb. It was believed that he commonly came to the rescue of sailors and fishermen in storms, havi...