biconvex

Example Sentences

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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

Set in the cabin's walls were four deadlights, windows of biconvex glass that enabled the man at the helm to see in every direction.

From Twenty Thousand Leagues Under the Sea by Walter, F. P.

"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.

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.

I then examined the fittings of this mechanism, whose power was increased a hundredfold by biconvex lenses that were designed like those in a lighthouse and kept its rays productively focused.

From Twenty Thousand Leagues Under the Sea by Walter, F. P.