concave

English

Wikipedia

Etymology

From Latin concavus.

Pronunciation

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Adjective

concave (comparative more concave, superlative most concave)

1. curved like the inner surface of a sphere or bowl

Antonyms

• convex

Translations

curved inward

Catalan: còncau (ca) Czech: konkávní (cs) Dutch: hol (nl) Esperanto: kava (eo) Estonian: nõgus (et) Finnish: kovera (fi), konkaavi (fi) French: concave (fr) German: konkav (de) Greek: κοίλος (el) (kílos)

Hungarian: homorú (hu), konkáv (hu) Italian: concavo (it) Japanese: 凹面 (ja) (おうめん, ōmen) Korean: 요면 (ko) (yomyeon) Polish: wklęsły (pl) Portuguese: côncavo (pt) Russian: вогнутый (ru) (vógnutyj) Spanish: cóncavo (es) Turkish: konkav (tr), içbükey (tr)

Derived terms

• concavely
• concaveness
• concavity

Noun

concave (plural concaves)

1. A concave surface or curve.
2. The vault of the sky.
3. 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).

4. (manufacturing) An element of a curved grid used to separate desirable material from tailings or chaff in mining and harvesting.
5. (surfing) An indentation running along the base of a surfboard, intended to increase lift.
6. (skateboarding) An indented area on the top of a skateboard, providing a position for foot placement and increasing board strength.

Translations

A concave surface or curve

Bulgarian: вдлъбнатина (bg)

Verb

concave (third-person singular simple present concaves, present participle concaving, simple past and past participle concaved)

1. To render concave, or increase the degree of concavity.

Translations

To render concave, or increase the degree of concavity.

Bulgarian: вдлъбвам

Derived terms

• concaver

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Italian

Adjective

concave f.

1. Feminine plural form of concavo

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Latin

Adjective

concave

1. vocative masculine singular of concavus