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Meanings
1
Prefix used in technical and descriptive compounds to indicate a concave or indented shape, as in 凹レンズ (concave lens).
See also: 凹レンズ
A concave lens spreads light.
This terrain is concave-shaped.
Prefix used in technical and descriptive compounds to indicate a concave or indented shape, as in 凹レンズ (concave lens).
See also: 凹レンズ
A concave lens spreads light.
This terrain is concave-shaped.