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A concave chest means that your diaphragm is sagging.
Gene Tunney

Meaning of "concave" in the English dictionary

Dictionary
DICTIONARY
section

ETYMOLOGY OF THE WORD CONCAVE

From Latin concavus arched, from cavus hollow.
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Etymology is the study of the origin of words and their changes in structure and significance.
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PRONUNCIATION OF CONCAVE

concave  [ˈkɒnkeɪv] play
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GRAMMATICAL CATEGORY OF CONCAVE

noun
adjective
verb
adverb
pronoun
preposition
conjunction
determiner
exclamation
Concave is a verb and can also act as an adjective.
The adjective is the word that accompanies the noun to determine or qualify it.

The verb is the part of the sentence that is conjugated and expresses action and state of being.

See the conjugation of the verb concave in English.

WHAT DOES CONCAVE MEAN IN ENGLISH?

Concave

The word concave means curving in or hollowed inward, as opposed to convex. The former may be used in reference to: ▪ Concave lens, a lens with inward-curving surfaces ▪ Concave polygon, a polygon which is not convex ▪ Concave function, a type of function which is related to convex functions ▪ In addition, the term concave upwards is used for convex functions, and concave downwards for concave functions. ▪ Concave mirror ▪ Concave set ▪ Concave football boot, a football boot company...

Definition of concave in the English dictionary

The first definition of concave in the dictionary is curving inwards. Other definition of concave is having one or two surfaces curved or ground in the shape of a section of the interior of a sphere, paraboloid, etc. Concave is also containing an interior angle greater than 180°.

CONJUGATION OF THE VERB TO CONCAVE

PRESENT

Present
I concave
you concave
he/she/it concaves
we concave
you concave
they concave
Present continuous
I am concaving
you are concaving
he/she/it is concaving
we are concaving
you are concaving
they are concaving
Present perfect
I have concaved
you have concaved
he/she/it has concaved
we have concaved
you have concaved
they have concaved
Present perfect continuous
I have been concaving
you have been concaving
he/she/it has been concaving
we have been concaving
you have been concaving
they have been concaving
Present tense is used to refer to circumstances that exist at the present time or over a period that includes the present time. The present perfect refers to past events, although it can be considered to denote primarily the resulting present situation rather than the events themselves.

PAST

Past
I concaved
you concaved
he/she/it concaved
we concaved
you concaved
they concaved
Past continuous
I was concaving
you were concaving
he/she/it was concaving
we were concaving
you were concaving
they were concaving
Past perfect
I had concaved
you had concaved
he/she/it had concaved
we had concaved
you had concaved
they had concaved
Past perfect continuous
I had been concaving
you had been concaving
he/she/it had been concaving
we had been concaving
you had been concaving
they had been concaving
Past tense forms express circumstances existing at some time in the past,

FUTURE

Future
I will concave
you will concave
he/she/it will concave
we will concave
you will concave
they will concave
Future continuous
I will be concaving
you will be concaving
he/she/it will be concaving
we will be concaving
you will be concaving
they will be concaving
Future perfect
I will have concaved
you will have concaved
he/she/it will have concaved
we will have concaved
you will have concaved
they will have concaved
Future perfect continuous
I will have been concaving
you will have been concaving
he/she/it will have been concaving
we will have been concaving
you will have been concaving
they will have been concaving
The future is used to express circumstances that will occur at a later time.

CONDITIONAL

Conditional
I would concave
you would concave
he/she/it would concave
we would concave
you would concave
they would concave
Conditional continuous
I would be concaving
you would be concaving
he/she/it would be concaving
we would be concaving
you would be concaving
they would be concaving
Conditional perfect
I would have concave
you would have concave
he/she/it would have concave
we would have concave
you would have concave
they would have concave
Conditional perfect continuous
I would have been concaving
you would have been concaving
he/she/it would have been concaving
we would have been concaving
you would have been concaving
they would have been concaving
Conditional or "future-in-the-past" tense refers to hypothetical or possible actions.

IMPERATIVE

Imperative
you concave
we let´s concave
you concave
The imperative is used to form commands or requests.
NONFINITE VERB FORMS
Infinitive
to concave
Past participle
concaved
Present Participle
concaving
Infinitive shows the action beyond temporal perspective. The present participle or gerund shows the action during the session. The past participle shows the action after completion.

WORDS THAT RHYME WITH CONCAVE


behave
bɪˈheɪv
biconcave
baɪˈkɒnkeɪv
brave
breɪv
cave
keɪv
clave
kleɪv
concavo-concave
kɒnˌkeɪvəʊkɒnˈkeɪv
convexo-concave
kənˌvɛksəʊkɒnˈkeɪv
fave
feɪv
gave
ɡeɪv
grave
ɡreɪv
incave
ɪnˈkeɪv
lave
leɪv
microwave
ˈmaɪkrəʊˌweɪv
nave
neɪv
plano-concave
ˌpleɪnəʊˈkɒnkeɪv
rave
reɪv
save
seɪv
slave
sleɪv
they´ve
ðeɪv
wave
weɪv

WORDS THAT BEGIN LIKE CONCAVE

conc.
concanavalin
concatenate
concatenation
concause
concavely
concaveness
concavities
concavity
concavo-concave
concavo-convex
conceal
concealable
concealer
concealingly
concealment
concede
concededly
conceder
concedo

WORDS THAT END LIKE CONCAVE

agave
Aladdin´s cave
ave
by your leave
crave
enclave
from the cradle to the grave
have
leave
must-have
new wave
octave
pave
snow cave
stave
suave
the grave
the New Wave
trave
weave

Synonyms and antonyms of concave in the English dictionary of synonyms

SYNONYMS

SYNONYMS OF «CONCAVE»

The following words have a similar or identical meaning as «concave» and belong to the same grammatical category.
synonyms of concave

Translation of «concave» into 25 languages

TRANSLATOR
online translator

TRANSLATION OF CONCAVE

Find out the translation of concave to 25 languages with our English multilingual translator.
The translations of concave from English to other languages presented in this section have been obtained through automatic statistical translation; where the essential translation unit is the word «concave» in English.

Translator English - Chinese

1,325 millions of speakers

Translator English - Spanish

cóncava
570 millions of speakers

English

concave
510 millions of speakers

Translator English - Hindi

अवतल
380 millions of speakers
ar

Translator English - Arabic

مقعر
280 millions of speakers

Translator English - Russian

вогнутая
278 millions of speakers

Translator English - Portuguese

côncavo
270 millions of speakers

Translator English - Bengali

অবতল
260 millions of speakers

Translator English - French

concave
220 millions of speakers

Translator English - Malay

Cekung
190 millions of speakers

Translator English - German

konkav
180 millions of speakers

Translator English - Japanese

凹面
130 millions of speakers

Translator English - Korean

오목
85 millions of speakers

Translator English - Javanese

Cekak
85 millions of speakers
vi

Translator English - Vietnamese

mặt lom
80 millions of speakers

Translator English - Tamil

குழிவான
75 millions of speakers

Translator English - Marathi

अंतर्गोल
75 millions of speakers

Translator English - Turkish

içbükey
70 millions of speakers

Translator English - Italian

concavo
65 millions of speakers

Translator English - Polish

wklęsła
50 millions of speakers

Translator English - Ukrainian

увігнута
40 millions of speakers

Translator English - Romanian

concav
30 millions of speakers
el

Translator English - Greek

κοίλη
15 millions of speakers
af

Translator English - Afrikaans

hol
14 millions of speakers
sv

Translator English - Swedish

konkav
10 millions of speakers
no

Translator English - Norwegian

konkav
5 millions of speakers

Trends of use of concave

TRENDS

TENDENCIES OF USE OF THE TERM «CONCAVE»

The term «concave» is quite widely used and occupies the 28.917 position in our list of most widely used terms in the English dictionary.
0
100%
FREQUENCY
Quite widely used
87
/100
The map shown above gives the frequency of use of the term «concave» in the different countries.
Principal search tendencies and common uses of concave
List of principal searches undertaken by users to access our English online dictionary and most widely used expressions with the word «concave».

FREQUENCY OF USE OF THE TERM «CONCAVE» OVER TIME

The graph expresses the annual evolution of the frequency of use of the word «concave» during the past 500 years. Its implementation is based on analysing how often the term «concave» appears in digitalised printed sources in English between the year 1500 and the present day.

Examples of use in the English literature, quotes and news about concave

EXAMPLES

QUOTES WITH «CONCAVE»

Famous quotes and sentences with the word concave.
1
Gene Tunney
A concave chest means that your diaphragm is sagging.

10 ENGLISH BOOKS RELATING TO «CONCAVE»

Discover the use of concave in the following bibliographical selection. Books relating to concave and brief extracts from same to provide context of its use in English literature.
1
Calculus with Analytic Geometry
CHAPTER 4 SECTION 4 (pages 146-147) 1 Minimum at x = f , concave upward for all x 3 Rel. max. at x = — 3, rel. min. at x = 3; inflection point at x = 0; concave downward, x < 0; concave upward, x > 0 5 x = — 3, rel. min.; x = — 2, inflection ...
Murray H. Protter, Philip E. Protter, 1988
2
The Retinoscopy Book: An Introductory Manual for Eye Care ...
57-58), we described a concave mirror test to assist in evaluating the frequently puzzling AGAINST reflex. Here is an amplification of those techniques for advanced students. For high myopic patients it is often difficult to see the AGAINST ...
John M. Corboy, 2003
3
Adapting Wireless Sensor Networks to Obstructed and Concave ...
Multihop algorithm: the four nearest beacons To eliminate the impact of concave shapes, it is proposed in [26] which uses the 4 nearest beacons instead of all of them. The intuition is that the shortest path from a sensor to the nearest beacon ...
Chen Wang, 2007
4
Binocular Vision and Stereopsis
Under these circumstances, a concave face appeared concave. Van den Enden and Spekreijse (1989) replaced the natural texture in a photographic stereogram of a face by projecting texture onto the stereogram in such a way that the texture ...
Ian P. Howard, 1995
5
Encyclopedia of Supramolecular Chemistry
Thus, with two classes of concave ligands, 2 and 3, respectively, which only differ a little in their flexibility, opposing selectivities are accessible. Modification of each class of ligands with chiral substituents shall now allow these reactions to be ...
J. L. Atwood, Jonathan W. Steed, 2004
6
Functions and Change: A Modeling Approach to College Algebra
Concavity and Rates of Change FIGURE 1.12 Agraph that is concave up and increasing Important features of a graph include places where it is increasing or decreasing, maxima and minima, and places where the graph may cross the ...
Bruce Crauder, Benny Evans, Alan Noell, 2008
7
Elementary Real Analysis
Concave up/down/up. 7.9.6 Letf :[0,1]→R be a continuous function that is differentiable on (0,1) and with f(0)= 0 and f(1) = 1. Show there must exist distinct numbers ξ 1 and ξ2 in that interval such that f′(ξ1)f′(ξ2) = 1. 7.9.7 Prove or disprove ...
Brian S. Thomson, Judith B. Bruckner, Andrew M. Bruckner, 2008
8
Mathematical Methods and Models for Economists
Concave Functions Concavity and quasiconcavity are important concepts in mathematical programming. As a preview, the reader should recall the conditions for a local maximum of a univariate real function. The first-order condition f'{x) = 0 is ...
Angel de la Fuente, 2000
9
Mathematical Economics: Twenty Papers of Gerard Debreu
1 Introduction The question of the representation of a convex preference preorder by a concave utility function was first raised and answered by de Finetti (1949), and further studied by Fenchel(1953, 1956), Moulin (1974), and by Kannai in the  ...
Gerard Debreu, 1986
10
Calculus of a Single Variable: Early Transcendental Functions
In other words, a straight line is neither concave upward nor concave downward. f I, x f x 0 x −2 −1 1 2 2 Concave downward y f x e ( ) = −x2/2 f x′′ > () 0 Concave upward f x′′ > () 0 Concave upward f x ′′ < ( ) 0 From the sign of you can ...
Ron Larson, Bruce Edwards, 2014

10 NEWS ITEMS WHICH INCLUDE THE TERM «CONCAVE»

Find out what the national and international press are talking about and how the term concave is used in the context of the following news items.
1
Steel-Pan Bands in Brooklyn Struggle to Find Rehearsal Space
Contemporary instruments are still made from such barrels: one face is sunk into a concave shape and then dents are carefully hammered into ... «New York Times, Jul 15»
2
Deutz-Fahr launches combine for smaller acreages
Product specialist, David Jefferson explains; “There are eight threshing bars on the drum, and 15 on the concave for efficient separation; the ... «FG Insight, Jul 15»
3
Takeshi Hosaka's Shonan Christ Church in Fujisawa (Japan)
Shonan Christ Church in Fujisawa reveals Takeshi Hosaka's talent for invention. The roof with its concave slabs covers a single concrete ... «Floornature.com, Jul 15»
4
2017 Mercedes SLC Caught On The Road: Spy Video
Out front, the SLC gets a new concave grille, re-shaped front fascia and new headlamp assemblies. Expect the SLC to be available with three ... «Top Speed, Jul 15»
5
Strange Animals In NYC. Camel Spiders And Wind Scorpions AT …
... among species—from long, thin, and whip-like to short, stout and spoon-shaped, flat and blade-like, or even concave and bowl-shaped. «Yareah Magazine, Jul 15»
6
Drive 120 yards and you are almost done
On this bunker's, right side in the center is a concave indentation that allows one of the putting green's, convex shapes to jut into it. This putting ... «Examiner.com, Jul 15»
7
David Altmejd retrospective a balance of the gorgeous and grotesque
From behind, it takes the form of a female head with long, black hair; from the front, that face is concave, as if kicked in, with the resulting cavity ... «National Post, Jul 15»
8
Focus: Metamirror Generates Interference at a Distance
A proposed metasurface made of tiny gold antennas could act as either a flat mirror or a concave, focusing mirror, depending on the radiation ... «Physics, Jul 15»
9
Xolo Chromebook Review: Crashing Through Cost Barriers
The trackpad is just about okay, but felt a little too concave for our comfort. We were disappointed by the webcam's low quality. «NDTV, Jul 15»
10
Oh God, What Is Croup, Does My Kid Have It, Oh God Oh God Oh God
The muscles in his abdomen and visibly concave chest were straining with the effort to force air in and back out of his lungs. He couldn't speak, ... «Deadspin, Jul 15»

REFERENCE
« EDUCALINGO. Concave [online]. Available <https://educalingo.com/en/dic-en/concave>. May 2020 ».
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