biconcave

(bī känkāv′, 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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