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biconcave
(bī kän′kāv′, bī′kän kāv′)
adjective
concave on both surfaces: a biconcave lens
See biconcave in American Heritage Dictionary 4
adjective
Concave on both sides or surfaces: a biconcave lens.
Related Forms:
- biˌcon·cavˈi·ty (-kăvˈĭ-tē) noun
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biconcave
biconcave lens
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