concave
UK/ˈkɒn.keɪv//ˈkɑn.keɪv/
concave adjective: curved like the inner surface of a sphere or bowl.
Adjective
concave (comparative more concave, superlative most concave)
- Curved like the inner surface of a sphere or bowl.
- Not convex; having at least one internal angle greater than 180 degrees.
- Satisfying the property that all segments connecting two points on the function's graph lie below the function.
- Hollow; empty.
- as concave […] as a worm-eaten nutc. 1598–1600 (date written), William Shakespeare, “As You Like It”, in Mr. William Shakespeares Comedies, Histories, & Tragedies […] (First Folio), London: […] Isaac Iaggard, and Ed[ward] Blount...
Noun
concave (plural concaves)
- A concave surface or curve.
- The vault of the sky.
- One of the celestial spheres of the Ptolemaic or geocentric model of the world.
- Aristotle makes [Fire] to move to the concave of the Moon. - Thomas Salusbury (1661).
- An element of a curved grid used to separate desirable material from tailings or chaff in mining and harvesting.
- An indentation running along the base of a surfboard, intended to increase lift.
- An indented area on the top of a skateboard, providing a position for foot placement and increasing board strength.
- A playing card made concave for use in cheating.
Verb
concave (third-person singular simple present concaves, present participle concaving, simple past and past participle concaved)
- To render concave, or increase the degree of concavity.
concave meaning in Hindi, Tamil, Bengali and Malayalam
concave in Hindi
- concave
- अवतल avtal
concave in Tamil
- உட்குழிவான, பள்ளமான, குழிவான, குழிவு, உட்குழிந்த, குழி
concave in Bengali
- curved inward
- অবতল obotol
concave in Malayalam
- അവതലം, ഉളളുകുഴിഞ്ഞ, അകത്തേക്കു വളഞ്ഞ, വളഞ്ഞ
More languagesFewer languages
- concave in Kannada
- ಒಳಬಾಗಿದ, ತಗ್ಗಾದ, ತಗ್ಗು
- concave in Punjabi
- ਕੰਕੈਵ
- concave in Nepali
- कन्केभ गर्न
- concave in Tagalog
- malukong
- concave in Arabic
- مُقَعَّر muqaʕʕar, مُجَوَّف mujawwaf
- concave in Indonesian
- cekung
- concave in Persian
- کاو kâv
- concave in Thai
- เว้า wáo, รูปร่างที่นูน
- concave in Vietnamese
- lõm
Examples of concave in a sentence
- The base is concave near the circumference, then slightly convex, concentrically granosely ridged.
- Clearly every linear functional is affine, and every affine function is both convex and concave.
- Tabulae are transverse plates which may be flat, convex or concave.
Synonyms of concave
Antonyms
Forms of concave
| Adjective | |
|---|---|
| comparative | more concave |
| superlative | most concave |
| Noun | |
| plural | concaves |
| Verb | |
| third-person singular present | concaves |
| present participle | concaving |
| past participle | concaved |
| past | concaved |
Origin of concave
From Middle English concave, from Old French concave, from Latin concavus.
Words formed from concave
Phrases with concave
Questions about concave
- What does concave mean?
- Concave means curved like the inner surface of a sphere or bowl.
- What is concave in Hindi?
- Concave in Hindi is अवतल (avtal). See Concave meaning in Hindi.
- What part of speech is concave?
- Concave can be an adjective, a noun or a verb.
- How do you pronounce concave?
- Concave is pronounced /ˈkɒn.keɪv/ (UK).
Words near concave in the dictionary
Source and license
Adapted from Wiktionary: concave (page history and authors); अवतल (Hindi) (page history and authors); concave (Tamil Wiktionary) (page history and authors); concave (Malayalam Wiktionary) (page history and authors); concave (Kannada Wiktionary) (page history and authors); concave (Punjabi, IndicTrans2 machine translation) (model and license); concave (Nepali, IndicTrans2 machine translation) (model and license). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.
Last updated:
Pronunciation audio from Wikimedia Commons, each file under its own free license: en-us-concave.ogg.
Cite this entry: “concave.” Word.ws, https://word.ws/concave. Based on Wiktionary, CC BY-SA 4.0.