adj
Meaning 1
Curved like the inner surface of a sphere or bowl.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
Standard Lemma guide
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
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adj
Curved like the inner surface of a sphere or bowl.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
adj
Not convex; having at least one internal angle greater than 180 degrees.
Definition source: English Wiktionary via Wiktextract
Usage: not-comparable
Topics: geometry, mathematics, sciences
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
adj
Satisfying the property that all segments connecting two points on the function's graph lie below the function.
Definition source: English Wiktionary via Wiktextract
Usage: not-comparable
Qualifier: functional analysis
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
adj
Hollow; empty.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
noun
A concave surface or curve.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
noun
The vault of the sky.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
noun
One of the celestial spheres of the Ptolemaic or geocentric model of the world.
Definition source: English Wiktionary via Wiktextract
Synonyms: none provided
Antonyms: none provided
noun
An element of a curved grid used to separate desirable material from tailings or chaff in mining and harvesting.
Definition source: English Wiktionary via Wiktextract
Topics: business, manufacturing
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
noun
An indentation running along the base of a surfboard, intended to increase lift.
Definition source: English Wiktionary via Wiktextract
Topics: hobbies, lifestyle, sports, surfing
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
noun
An indented area on the top of a skateboard, providing a position for foot placement and increasing board strength.
Definition source: English Wiktionary via Wiktextract
Topics: hobbies, lifestyle, skateboarding, sports
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
noun
A playing card made concave for use in cheating.
Definition source: English Wiktionary via Wiktextract
Topics: gambling, games
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
verb
To render concave, or increase the degree of concavity.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
adjective
curving inward
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: convex
History
From Middle English concave, from Old French concave, from Latin concavus.
Across languages
63 source translations are retained for this English entry.