concave

concave

left to right: biconcave,

plano-concave, and

concavo-convex lenses

con·cave

 (kŏn-kāv′, kŏn′kāv′)

adj.

Curved like the inner surface of a sphere.

n.

A concave surface, structure, or line.

tr.v. con·caved, con·cav·ing, con·caves

To make concave.

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[Middle English, from Latin concavus : com-, intensive pref.; see com- + cavus, hollow; see keuə- in Indo-European roots.]

---

con·cave′ly adv.

con·cave′ness n.

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

concave

(ˈkɒnkeɪv; kɒnˈkeɪv)

adj

1. curving inwards

2. (General Physics) physics having one or two surfaces curved or ground in the shape of a section of the interior of a sphere, paraboloid, etc: a concave lens.

3. (Mathematics) maths (of a polygon) containing an interior angle greater than 180°

4. an obsolete word for hollow

vb

(tr) to make concave

[C15: from Latin concavus arched, from cavus hollow]

ˈconcavely adv

ˈconcaveness n

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

con•cave

(adj., v. kɒnˈkeɪv, ˈkɒn keɪv; n. ˈkɒn keɪv)

adj., n., v. -caved, -cav•ing. adj.

1. curved or hollowed inward like the inside of a circle or sphere. Compare convex (def. 1).

2. (of a polygon) having at least one interior angle greater than 180°.

n.

3. a concave surface, part, line, or thing.

v.t.

4. to make concave.

[1375–1425; late Middle English (< Middle French) < Latin concavus hollow. See con-, cave]

con•cave′ly, adv.

con•cave′ness, n.

Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.

con·cave

(kŏn′kāv′)

Curved inward, like the inside of a circle or sphere.

The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

concave

Past participle: concaved
Gerund: concaving

Imperative

concave

concave

Collins English Verb Tables © HarperCollins Publishers 2011

concave

curving inward

Dictionary of Unfamiliar Words by Diagram Group Copyright © 2008 by Diagram Visual Information Limited

Thesaurus

Adj.

1.

concave - curving inward intrusive - thrusting inward; "an intrusive arm of the sea" bulging, convex - curving or bulging outward

Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.

concave

adjective hollow, cupped, depressed, scooped, hollowed, excavated, sunken, indented Remove the flesh from the concave part of the shell.
rounded, curving, bulging, convex, protuberant

Collins Thesaurus of the English Language – Complete and Unabridged 2nd Edition. 2002 © HarperCollins Publishers 1995, 2002

concave

adjective

Curving inward:

cavernous, hollow, indented, sunken.

The American Heritage® Roget's Thesaurus. Copyright © 2013, 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Translations

مُقعَّـر

vydutý

hulkonkav

konkavhohl

κοίλος

cóncavo

nõgus

concave

homorúkonkáv

íhvolfur

concavo

요면

įdubęsįgaubtasįgaubtumas

iedobtsieliekts

hol

buet innoverkonkav

vydutý

içbükeykonkav

凹的

concave

[ˈkɒnˈkeɪv] ADJ → cóncavo

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

concave

[ˈkɒnkeɪv kɒnˈkeɪv] adj → concave

Collins English/French Electronic Resource. © HarperCollins Publishers 2005

concave

adj → konkav; mirror → Konkav-, Hohl-

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

concave

[ˈkɒnˈkeɪv] adj → concavo/a

Collins Italian Dictionary 1st Edition © HarperCollins Publishers 1995

concave

(konˈkeiv) adjective

(of an object or surface) curved inwards. Spoons are concave. hol, holrond, konkaaf مُقعَّـر вдлъбнат côncavo vydutý konkav konkav; hul κοίλοςcóncavo nõgus مقعر؛ فرورفته kovera concaveקעור अवतल udubljen, konkavan homorú cekung íhvolfur concavo 凹形の 오목한 įgaubtas, įdubęs ieliekts; iedobts cekung concaafbuet innover, konkav wklęsły محدب، مجوف، ګرد تش منځى côncavo concav вогнутый vydutý vbokel konkavan konkav, kupig เว้า içbükey 凹的 угнутий مقعر hình lòng chảo 凹的

conˈcavity (-ˈkӕ-) noun

holte, holheid, konkawiteit تَقَعُّـر вдлъбнатина concavidade vydutost die Aushöhlung konkavitet; hulhed κοιλότηταconcavidad nõgusus فرورفتگی koveruus concavité קְעִירוּת अवतलता šupljina, udubljenost, konkavnost homorúság kecekungan íhvolfa; íhvolfur hlutur concavità 凹形 오목함 įgaubtumas ieliekums; iedobums kecekungan concaafheid hulhet, konkavitet wklęsłość غار concavidade concavitate вогнутость vydutosť vboklina konkavnost konkavitet, kupighet ความเว้า içbükeylik 凹面，凹處 западина حجوف سطح bề mặt lõm 凹面

Kernerman English Multilingual Dictionary © 2006-2013 K Dictionaries Ltd.

con·cave

a. cóncavo-a.

English-Spanish Medical Dictionary © Farlex 2012

concave

adj cóncavo

English-Spanish/Spanish-English Medical Dictionary Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.