Synonyms of the word

concave

• adj. curved like the inner surface of a sphere or bowl.
• adj. (geometry, not comparable, of a polygon) not convex; having at least one internal angle greater than 180…
• adj. (functional analysis, not comparable, of a real-valued function on the reals) satisfying the property…
• adj. hollow; empty.
• n. A concave surface or curve.
• n. The vault of the sky.
• n. One of the celestial spheres of the Ptolemaic or geocentric model of the world.
• n. (manufacturing) An element of a curved grid used to separate desirable material from tailings or chaff…
• n. (surfing) An indentation running along the base of a surfboard, intended to increase lift.
• n. (skateboarding) An indented area on the top of a skateboard, providing a position for foot placement and…
• v. To render concave, or increase the degree of concavity.

acetabular

• adj. cup-shaped; saucer-shaped; acetabuliform.
• adj. Related to the acetabulum.

biconcave

• adj. Having both sides concave.

bursiform

• adj. Shaped like a purse or bag.

concavo-convex

• adj. (optics) having one side concave and the other convex.

cotyloid

• adj. (anatomy) Shaped like a cup.
• adj. (anatomy) Relating to a cotyloid cavity.

cuplike

• adj. Resembling a cup.

cupular

• adj. Shaped like a cupule.

cupulate

• adj. Cup-shaped.
• adj. Having or bearing cupules; cupuliferous.

depressed

• v. simple past tense and past participle of depress.
• adj. unhappy, and blaming oneself rather than others; despondent.
• adj. Suffering from clinical depression.
• adj. Suffering damaging effects of economic recession.

dished

• v. simple past tense and past participle of dish.
• adj. Shaped like a dish; concave.

indented

• v. simple past tense and past participle of indent.
• adj. Cut in the edge into points or inequalities, like teeth; jagged; notched; stamped in; dented on the surface.
• adj. Having an uneven, irregular border; sinuous; undulating.
• adj. (heraldry) Notched like the part of a saw consisting of the teeth; serrated.
• adj. Bound out by an indenture; apprenticed; indentured.
• adj. (zoology) Notched along the margin with a different color, like the feathers of some birds.

intrusive

• adj. Tending or apt to intrude; doing that which is not welcome; interrupting or disturbing; entering without…
• adj. (geology) Of rocks: forced, while in a plastic or molten state, into the cavities or between the cracks…
• n. (geology) An igneous rock that is forced, while molten, into cracks or between other layers of rock.

planoconcave

• adj. (optics, of a lens) Having one side plane and the other concave.

pouchlike

• adj. Resembling or characteristic of a pouch.

recessed

• adj. set back; located in a hole, space, or opening.
• adj. withdrawn; secluded.
• v. simple past tense and past participle of recess.

saclike

• adj. Resembling a sac or some aspect of one.

umbilicate

• adj. Having a navel.
• adj. (mycology, of a mushroom etc.) Having a small umbo in a central depression, or a depression in the center…
• adj. (botany) Supported by a central stalk.