biconvex

American  

[bahy-kon-veks, bahy-kon-veks] / baɪˈkɒn vɛks, ˌbaɪ kɒnˈvɛks /

adjective

1. convex on both sides, as a lens.

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biconvex British  

/ ˌbaɪkɒnˈvɛks, baɪˈkɒnvɛks /

adjective

1. (of a lens) having convex faces on both sides; convexo-convex

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biconvex Scientific  

/ bī′kŏn-vĕks′ /

1. Convex on both sides or surfaces.

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Other Word Forms

• biconvexity noun

Etymology

Origin of biconvex

First recorded in 1840–50; bi- ¹ + convex

Example Sentences

"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.

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.

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 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

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.