### Definition of Concavity

1. Noun. A shape that curves or bends inward.

2. Noun. The property possessed by a concave shape.
Exact synonyms: Concaveness
Generic synonyms: Configuration, Conformation, Contour, Form, Shape
Specialized synonyms: Hollowness
Derivative terms: Concave, Concave

### Definition of Concavity

1. n. A concave surface, or the space bounded by it; the state of being concave.

### Definition of Concavity

1. Noun. The state of being concave ¹

2. Noun. A concave structure or surface ¹

¹ Source: wiktionary.com

1. [n -TIES]

### Medical Definition of Concavity

1. A hollow or depression, with more or less evenly curved sides, on any surface. (05 Mar 2000)

### Lexicographical Neighbors of Concavity

 concausesconcavationconcavationsconcaveconcave lensconcave mirrorconcave polygonconcave polyhedronconcave shapeconcaved concavelyconcavenessconcavesconcavingconcavitiesconcavity (current term)concavo-concaveconcavo-convexconcavoconcaveconcavoconcave lens concavoconvexconcavoconvex lensconcavousconcealconcealableconcealedconcealed conductionconcealed haemorrhageconcealed hernia

### Literary usage of Concavity

Below you will find example usage of this term as found in modern and/or classical literature:

1. Elements of the Differential Calculus with Examples and Applications: A Text by William Elwood Byerly (1891)
"The words concavity and convexity are used in mathematics in their ordinary sense. ... A point at which the curve is changing from convexity to concavity, ..."

2. The Microscope: An Introduction to Microscopic Methods and to Histology by Simon Henry Gage (1903)
"It will be readily seen that this concavity, if filled with air or any liquid of less refractive index than glass, will act as a concave or dispersing lens. ..."

3. The Medical Times and Gazette (1861)
"In cases of long duration I have observed that the bones increase in solidity in the concavity of the curve ; the cancellous texture of the bodies of the ..."

4. Elements of the Differential Calculus by James McMahon, Virgil Snyder (1898)
"Hence upward concavity may be called a positive bending of the curve, and downward concavity, negative bending. A point at which the direction of bending ..."

5. Inequalities in Statistics and Probability: Proceedings of the Symposium on by Yung Liang Tong (1984)
"5 (l984),-58 ON TP2 AND LOG-concavity B ... Key words and phrases: Totally positive of order 2 (TP2), log-concavity. ..."

6. Differential and Integral Calculus by Virgil Snyder, John Irwin Hutchinson (1902)
"concavity upward and downward. A curve is said to be concave downward in the vicinity of a point P when, for a finite distance on each side of P, ..."

7. Differential and Integral Calculus by Daniel Alexander Murray (1908)
"concavity and convexity of curves: rectangular coordinates. ... The curves passing through P and R have the concavity towards the :r-axis, and the curves ..."