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concavo-convex

concavo-convex is defined in Webster's Unabridged Dictionary (1913) with 1 sense. The full text of each entry is reproduced verbatim below.

Definitions

1.(Optics) Specifically, having such a combination of concave and convex sides as makes the focal axis the shortest line between them. See Illust. under Lens.

Source: Webster's Unabridged Dictionary, 1913 edition (public domain, via GCIDE / Project Gutenberg).

Related questions

What does "concavo-convex" mean?

Reverse-dictionary questions

Definition-first questions whose answer is concavo-convex.

What is specifically, having such a combination of concave and convex sides as makes the focal axis the shortest line between them. See Illust. under Lens called?

Sources

Definitions: Webster's Unabridged Dictionary, 1913 edition (public domain, via GCIDE / Project Gutenberg).
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