biconvex
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
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.
"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 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.
The coloured corpuscles of amphibia as well as of nearly all vertebrates below mammals are biconvex and elliptical.
From Encyclopaedia Britannica, 11th Edition, Volume 4, Slice 1 "Bisharin" to "Bohea" by Various