| concavo-convex |
concave on one side and convex on the other with the concavity being greater than the convexity
출처: wordnet.princeton.edu/perl/webwn
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| concavo-convex lens |
a lens that is convex on one side and concave on the other
출처: encarta.msn.com/dictionary_1861629251/meniscus.htm...
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