biconvex

Example Sentences

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

From The Manual of the Botany of the Northern United States Including the District East of the Mississippi and North of North Carolina and Tennessee by Gray, Asa

The power of our beacon was increased a hundredfold, like a lamp shining through the biconvex lenses of a world–class lighthouse.

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.

Where two toes overlap, it will be observed that there is a deeper shadow, like the section of a biconvex lens.

From McClure's Magazine, Vol. 6, No. 6, May, 1896 by Various

Convex on both sides; as, a biconvex lens.

From Webster's Unabridged Dictionary (2nd 100 Pages) by Webster, Noah