Esp. of a lens: having one surface plane and the opposite one concave. Also occasionally as n.: a planoconcave lens.
| 单词 | θ99223 |
| 释义 | the world > space > shape > curvature > curved surface > [adjective] > concave > plane on one side (1) planoconcave1654 Esp. of a lens: having one surface plane and the opposite one concave. Also occasionally as n.: a planoconcave lens. |
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