Concave vs Depressed - What's the difference?
concave | depressed |
curved like the inner surface of a sphere or bowl
(geometry, not comparable, of a polygon) not convex; having at least one internal angle greater than 180 degrees..
(functional analysis, not comparable, of a real-valued function on the reals) satisfying the property that all segments connecting two points on the function's graph lie below the function.
hollow; empty
* Shakespeare
A surface or curve.
The vault of the sky.
One of the celestial spheres of the Ptolemaic or geocentric model of the world.
(industry) An element of a curved grid used to separate desirable material from tailings or chaff in mining and harvesting.
(surfing) An indentation running along the base of a surfboard, intended to increase lift.
(skateboarding) An indented area on the top of a skateboard, providing a position for foot placement and increasing board strength.
To render , or increase the degree of concavity.
(depress)
unhappy, and blaming oneself rather than others; despondent
Suffering from clinical depression.
Suffering damaging effects of economic recession.
As adjectives the difference between concave and depressed
is that concave is curved like the inner surface of a sphere or bowl while depressed is unhappy, and blaming oneself rather than others; despondent.As verbs the difference between concave and depressed
is that concave is to render concave, or increase the degree of concavity while depressed is past tense of depress.As a noun concave
is a concave surface or curve.concave
English
Adjective
(en adjective)- as concave as a worm-eaten nut
Antonyms
* convexDerived terms
* concavely * concaveness * concavityNoun
(en noun)- Aristotle makes [Fire] to move to the concave of the Moon. - Thomas Salusbury (1661).