Convex is used to describe something that curves outwards in the middle.
...the large ~ mirror above the fireplace.
? concave
ADJ
Convex is used to describe something that curves outwards in the middle.
...the large ~ mirror above the fireplace.
? concave
ADJ
Collins COBUILD. Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) . 2012