biconvex
Example Sentences
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"My helmsman is stationed behind the windows of a pilothouse, which protrudes from the topside of the Nautilus's hull and is fitted with biconvex glass."
From Twenty Thousand Leagues Under the Sea by Walter, F. P.
In 671 Scolopendra, where there are four, the corneal lens is a biconvex thickening of the cuticle.
From Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 6 "Celtes, Konrad" to "Ceramics" by Various
The crystalline lens is a transparent, biconvex body sustained by the ciliary processes.
From Common Diseases of Farm Animals by Craig, R. A., D. V. M.
The lens is biconvex in diurnal mammals, but in nocturnal and aquatic it is spherical.
From Encyclopaedia Britannica, 11th Edition, Volume 10, Slice 1 "Evangelical Church Conference" to "Fairbairn, Sir William" by Various
The red blood-corpuscles are invariably oval disks, with a central nucleus which causes a slight swelling; hence they are oval and biconvex.
From Encyclopaedia Britannica, 11th Edition, Volume 3, Slice 7 "Bible" to "Bisectrix" by Various