concavo-convex

American  

[kon-key-voh-kon-veks] / kɒnˈkeɪ voʊ kɒnˈvɛks /

adjective

1. Also concave on one side and convex on the other.

2. Optics. pertaining to or noting a lens in which the concave face has a greater degree of curvature than the convex face.

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concavo-convex British  

adjective

1. having one side concave and the other side convex

2. (of a lens) having a concave face with greater curvature than the convex face Compare convexo-concave

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Etymology

Origin of concavo-convex

1670–80; < Latin concav ( us ) + -o- + convex

Example Sentences

See Examples For:

concavo-convex

Grain is oblong, obtusely trigonous, or concavo-convex, red-brown and rugulose on the ventral side.

From A Handbook of Some South Indian Grasses by K. Rangachari

Its superior aspect, concavo-convex, moulded on the inferior articular surface of the humerus, presents internally two cavities, which receive the lips of the trochlea, and, externally, another, smaller, cavity, which receives the condyle.

From Artistic Anatomy of Animals by ?douard Cuyer

By these it is seen that a double-convex lens tends to condense the rays of light to a focus, a double-concave to scatter them, and a concavo-convex combines both powers.

From American Hand Book of the Daguerreotype by S. D. (Samuel Dwight) Humphrey

Its root is long and fusiform; the stem is round, jointed and about a yard high; the leaves have fragrant leaflets; and the fruits are brown, oval and concavo-convex.

From Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 4 "Diameter" to "Dinarchus" by Various

I measured therefore the thickness of this concavo-convex Plate of Glass, and found it every where 1/4 of an Inch precisely.

From Opticks or, a Treatise of the Reflections, Refractions, Inflections, and Colours of Light by Sir Isaac Newton