# convex

Also found in: Thesaurus, Medical, Financial, Acronyms, Encyclopedia, Wikipedia.
convex
left to right: biconvex,
plano-convex, and
convexo-concave lenses

## con·vex

(kŏn′vĕks′, kən-vĕks′)
Having a surface or boundary that curves or bulges outward, as the exterior of a sphere.

[Latin convexus; see wegh- in Indo-European roots.]

## convex

(ˈkɒnvɛks; kɒnˈvɛks)
1. curving or bulging outwards
2. (General Physics) physics having one or two surfaces curved or ground in the shape of a section of the exterior of a sphere, paraboloid, ellipsoid, etc: a convex lens.
3. (Mathematics) maths (of a polygon) containing no interior angle greater than 180°
vb
(tr) to make convex
[C16: from Latin convexus vaulted, rounded]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

## con•vex

(adj. kɒnˈvɛks, kən-; n. ˈkɒn vɛks)

1. curved or rounded outward like the outside of a circle or sphere. Compare concave (def. 1).
2. (of a polygon) having all interior angles less than or equal to 180°.
n.
3. a convex surface, part, line, or thing.
[1565–75; < Latin convexus=con- con- + -vexus, perhaps <*wek-sos, derivative of base of vehere to carry, bring, if orig. sense was “brought together (to a point)”]
con•vex′ness, n.

## con·vex

(kŏn′vĕks′)
Curving outward, like the outer boundary of a circle or sphere.

## convex

Past participle: convexed
Gerund: convexing

Imperative
convex
convex
Present
I convex
you convex
he/she/it convexes
we convex
you convex
they convex
Preterite
I convexed
you convexed
he/she/it convexed
we convexed
you convexed
they convexed
Present Continuous
I am convexing
you are convexing
he/she/it is convexing
we are convexing
you are convexing
they are convexing
Present Perfect
I have convexed
you have convexed
he/she/it has convexed
we have convexed
you have convexed
they have convexed
Past Continuous
I was convexing
you were convexing
he/she/it was convexing
we were convexing
you were convexing
they were convexing
Past Perfect
Future
I will convex
you will convex
he/she/it will convex
we will convex
you will convex
they will convex
Future Perfect
I will have convexed
you will have convexed
he/she/it will have convexed
we will have convexed
you will have convexed
they will have convexed
Future Continuous
I will be convexing
you will be convexing
he/she/it will be convexing
we will be convexing
you will be convexing
they will be convexing
Present Perfect Continuous
I have been convexing
you have been convexing
he/she/it has been convexing
we have been convexing
you have been convexing
they have been convexing
Future Perfect Continuous
I will have been convexing
you will have been convexing
he/she/it will have been convexing
we will have been convexing
you will have been convexing
they will have been convexing
Past Perfect Continuous
Conditional
I would convex
you would convex
he/she/it would convex
we would convex
you would convex
they would convex
Past Conditional
I would have convexed
you would have convexed
he/she/it would have convexed
we would have convexed
you would have convexed
they would have convexed
Collins English Verb Tables © HarperCollins Publishers 2011

## convex

curving outward
Dictionary of Unfamiliar Words by Diagram Group Copyright © 2008 by Diagram Visual Information Limited
ThesaurusAntonymsRelated WordsSynonymsLegend:
 Adj. 1 convex - curving or bulging outwardbulgingprotrusive - thrusting outwardconcave - curving inward
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.

## convex

adjective rounded, bulging, protuberant, gibbous, outcurved The lens is flat on one side and convex on the other.
Collins Thesaurus of the English Language – Complete and Unabridged 2nd Edition. 2002 © HarperCollins Publishers 1995, 2002
Translations
مُحَدَّب
vypouklý
kúptur
išgaubtas
izliekts
vypuklý
dışbükey

## convex

Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005

## convex

Collins English/French Electronic Resource. © HarperCollins Publishers 2005

## convex

Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007

## convex

Collins Italian Dictionary 1st Edition © HarperCollins Publishers 1995

## convex

(of an object or surface) curved outwards, like the surface of the eye. a convex lens.
conˈvexity noun
Kernerman English Multilingual Dictionary © 2006-2013 K Dictionaries Ltd.

## con·vex

a. convexo-a.
English-Spanish Medical Dictionary © Farlex 2012

## convex

References in classic literature ?
The city of Wintoncester, that fine old city, aforetime capital of Wessex, lay amidst its convex and concave downlands in all the brightness and warmth of a July morning.
This august hump, if I mistake not, rises over one of the larger vertebrae, and is, therefore, in some sort, the outer convex mould of it.
Hester looked by way of humouring the child; and she saw that, owing to the peculiar effect of this convex mirror, the scarlet letter was represented in exaggerated and gigantic proportions, so as to be greatly the most prominent feature of her appearance.
"His great convex pince-nez - I saw it, I recognised the kind - is for his poor ruined sight.
Then with an expression of interest he laid down his cigarette, and carrying the cane to the window, he looked over it again with a convex lens.
He balanced the watch in his hand, gazed hard at the dial, opened the back, and examined the works, first with his naked eyes and then with a powerful convex lens.
Their organs of sight must be too convex! But the man who wishes to study the active habits of the feline race, or the variety, albinos, must, indeed, be stirring at this hour.
Mem : at 25,000 feet elevation the sky appears nearly black, and the stars are distinctly visible ; while the sea does not seem convex (as one might suppose) but absolutely and most unequivocally concave.{*1}
In other crustaceans the transparent cones which are coated by pigment, and which properly act only by excluding lateral pencils of light, are convex at their upper ends and must act by convergence; and at their lower ends there seems to be an imperfect vitreous substance.
I was interested by finding on the highest peak of on range (about 700 feet above the sea) a great arched fragment, lying on its convex side, or back downwards.
And the same object appears straight when looked at out of the water, and crooked when in the water; and the concave becomes convex, owing to the illusion about colours to which the sight is liable.
O Progeny of Heav'n, Empyreal Thrones, With reason hath deep silence and demurr Seis'd us, though undismaid: long is the way And hard, that out of Hell leads up to Light; Our prison strong, this huge convex of Fire, Outrageous to devour, immures us round Ninefold, and gates of burning Adamant Barr'd over us prohibit all egress.

Site: Follow: Share:
Open / Close