Answer: concave

AnswerCrossword Clue
CONCAVERounded inward.
concaveto curve inward
concavecurved inward
CONCAVEHollowed out and curved
CONCAVELike the inside of a sphere
CONCAVELike part of a circle
CONCAVEThe vault of the sky
CONCAVELike a bowl
CONCAVELens shape
CONCAVELike the inside of a bowl
CONCAVELike band shells
CONCAVEIncurved.
CONCAVEHollowed.
CONCAVEHollow and curved.
CONCAVEShaped like the inside of a sphere
CONCAVEInward-curving
CONCAVECurved and hollow
CONCAVECurving inward
CONCAVELike some lenses