Answer: convex

AnswerCrossword Clue
CONVEXCurved, as a lens
CONVEXOutwardly rounded
CONVEXCurved outward
CONVEXCurving outward.
CONVEXLike a camera lens
CONVEXLike some lenses
CONVEXKind of lens
CONVEXCurving out
CONVEXRounded out?
convexcurved outward
convexa surface that curves outward