plano-convex

[ pley-noh-kon-veks, -kon-veks, -kuhn- ]

adjective

, Optics.

1. pertaining to or noting a lens that is plane on one side and convex on the other.

plano-convex

/ ˌpleɪnəʊˈkɒnvɛks /

adjective

1. (of a lens) having one side convex and the other side plane

Word History and Origins

Origin of plano-convex¹

First recorded in 1655–65; plano- ¹ + convex

Example Sentences

In Optica, Optica Publishing Group's journal for high-impact research, these researchers demonstrate the new method by using it to make a millimeter-sized plano-convex optical lens with an imaging performance similar to a commercially available glass lens.

From Science Daily

To test the new method, the researchers first created a simple plano-convex lens and showed that it had an imaging resolution comparable to a commercial glass lens with the same physical dimensions.

From Science Daily

Plano-convex, convex towards c ” 1 The lens b is divided, and one of the segments is moved by a micrometer screw.

From Project Gutenberg

Plano-convex, convex towards b 1� 1 d.

From Project Gutenberg

Culms filiform, 5–12´ high; upper sheath rarely distinctly leaf-bearing; spikelets 1–7 in a sessile or sometimes geminately proliferous cluster, ovate-oblong becoming cylindrical, greenish; scales ovate, strongly keeled, mucronate-pointed; stamens 2 or 3; style 2-cleft; bristles none; achene obovate-orbicular, mucronate, plano-convex, strongly wrinkled transversely.—Wet shores, Ill. to Tex.; also found in E. Mass.

From Project Gutenberg