concave

¹con·cave

adjective \kän-ˈkāv, ˈkän-ˌ\

Definition of CONCAVE

1

: hollowed or rounded inward like the inside of a bowl

2

: arched in : curving in —used of the side of a curve or surface on which neighboring normals to the curve or surface converge and on which lies the chord joining two neighboring points of the curve or surface

Origin of CONCAVE

Middle English, from Latin concavus, from com- + cavus hollow — more at cave

First Known Use: 15th century

Related to CONCAVE

Synonyms

hollow, dented, depressed, dished, indented, recessed, sunken

Antonyms

bulging, cambered, convex, protruding, protrusive, protuberant

Related Words

alveolar, cavernous, crescentic, cuplike, cupped, cuppy, recurved; dimpled, pockmarked; compressed, condensed, contracted, diminished, reduced

Near Antonyms

ballooning, bloated, blown up, bulbous, distended, enlarged, expanded, extended, inflated, jutting, projecting, puffed, puffy, risen, swollen; domed, global, globular, round, rounded, spherical

Rhymes with CONCAVE

airwave, behave, brain wave, cold wave, conclave, deprave, dissave, drawshave, enclave, engrave, enslave, exclave, ground wave, heat wave, margrave, new wave, octave, outbrave, Palgrave, palsgrave, shock wave, shortwave, sine wave, sky wave, sound wave, spokeshave, S wave, wage slave, white slave, Wind Cave

²con·cave

noun \ˈkän-ˌkāv\

Definition of CONCAVE

: a concave line or surface

First Known Use of CONCAVE

1552

Other Mathematics and Statistics Terms

abscissa, denominator, divisor, equilateral, exponent, hypotenuse, logarithm, oblique, radii, rhomb

con·cave

adjective \kän-ˈkāv, ˈkän-ˌ\   (Medical Dictionary)

Medical Definition of CONCAVE

: hollowed or rounded inward like the inside of a bowl