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concave
mastery UK /ˈkɒn.keɪv/ US /ˈkɑn.keɪv/nounadjverb
card 1 of 2 · antonym
Which word is most opposite in meaning to **concave** in the sentence below?
The lens had a concave surface.
card 1 of 2 · antonym
Which word is most opposite in meaning to **concave** in the sentence below?
The lens had a concave surface.