Biconcave
concave on both sides, as a lens.
historical examples
the vertebrate skeleton sidney h. reynolds
the whence and the whither of man john mason tyler
the vertebrate skeleton sidney h. reynolds
encyclopaedia britannica, 11th edition, volume 14, slice 3 various
the works of francis maitland balfour, volume iii (of 4) francis maitland balfour
a guide to the study of fishes, volume 1 (of 2) david starr jordan
the vertebrate skeleton sidney h. reynolds
encyclopaedia britannica, 11th edition, volume 4, slice 1 various
the vertebrate skeleton sidney h. reynolds
cruise of the ‘alert’ r. w. coppinger
adjective
(of a lens) having concave faces on both sides; concavo-concave
biconcave
(bī’kŏn-kāv’)
concave on both sides or surfaces.
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an object shaped like two cones with their bases together.
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of, on, or involving two continents: a bicontinental survey.
- Biconvex
convex on both sides, as a lens. historical examples mcclure’s magazine, vol. vi., no. 6, may, 1896 various curiosities of light and sight shelford bidwell the works of francis maitland balfour, volume ii (of 4) francis maitland balfour the vertebrate skeleton sidney h. reynolds the appendages, anatomy, and relationships of trilobites percy edward raymond a […]
- Bicorporal
having two bodies, main divisions, symbols, etc.