biconvex

American

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

adjective

convex on both sides, as a lens.

biconvex British

/ ˌbaɪkɒnˈvɛks, baɪˈkɒnvɛks /

adjective

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

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

biconvex Scientific

/ bī′kŏn-vĕks′ /

Convex on both sides or surfaces.

Other Word Forms

biconvexity noun

Etymology

Origin of biconvex

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

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.

The other is Google Cardboard: a nifty kit that sells for $15 and that holds a smartphone in place in front of biconvex lenses.

From New York Times

Tube of corolla cylindrical, enlarging above; upper lip arched, compressed, straight in front; the lower erect-spreading, biconvex, 3-lobed at the apex.

From Project Gutenberg

Convex on both sides; as, a biconvex lens.

From Project Gutenberg

The lens is biconvex in diurnal mammals, but in nocturnal and aquatic it is spherical.

From Project Gutenberg

The red blood-corpuscles are invariably oval disks, with a central nucleus which causes a slight swelling; hence they are oval and biconvex.

From Project Gutenberg

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023