Concave vs. Groove
Concaveadjective
curved like the inner surface of a sphere or bowl
Concaveadjective
not convex; having at least one internal angle greater than 180 degrees..
Concaveadjective
satisfying the property that all segments connecting two points on the function's graph lie below the function.
Concaveadjective
hollow; empty
Concavenoun
A concave surface or curve.
Concavenoun
The vault of the sky.
Concavenoun
One of the celestial spheres of the Ptolemaic or geocentric model of the world.
Concavenoun
(manufacturing) An element of a curved grid used to separate desirable material from tailings or chaff in mining and harvesting.
Concavenoun
(surfing) An indentation running along the base of a surfboard, intended to increase lift.
Concavenoun
(skateboarding) An indented area on the top of a skateboard, providing a position for foot placement and increasing board strength.
Concaveverb
To render concave, or increase the degree of concavity.
Concaveadjective
Hollow and curved or rounded; vaulted; - said of the interior of a curved surface or line, as of the curve of the of the inner surface of an eggshell, in opposition to convex; as, a concave mirror; the concave arch of the sky.
Concaveadjective
Hollow; void of contents.
Concavenoun
A hollow; an arched vault; a cavity; a recess.
Concavenoun
A curved sheath or breasting for a revolving cylinder or roll.
Concaveverb
To make hollow or concave.
Concaveadjective
curving inward
Groovenoun
A long, narrow channel or depression; e.g., such a slot cut into a hard material to provide a location for an engineering component, a tyre groove, or a geological channel or depression.
Groovenoun
A fixed routine.
Groovenoun
The middle of the strike zone in baseball where a pitch is most easily hit.
Groovenoun
A pronounced, enjoyable rhythm.
Groovenoun
(mining) A shaft or excavation.
Grooveverb
(transitive) To cut a groove or channel in; to form into channels or grooves; to furrow.
Grooveverb
(intransitive) To perform, dance to, or enjoy rhythmic music.
Groovenoun
A furrow, channel, or long hollow, such as may be formed by cutting, molding, grinding, the wearing force of flowing water, or constant travel; a depressed way; a worn path; a rut.
Groovenoun
Hence: The habitual course of life, work, or affairs; fixed routine.
Groovenoun
A shaft or excavation.
Grooveverb
To cut a groove or channel in; to form into channels or grooves; to furrow.
Groovenoun
a long narrow furrow cut either by a natural process (such as erosion) or by a tool (as e.g. a groove in a phonograph record)
Groovenoun
a settled and monotonous routine that is hard to escape;
Groovenoun
(anatomy) any furrow or channel on a bodily structure or part
Grooveverb
make a groove in, or provide with a groove;
Grooveverb
hollow out in the form of a furrow or groove;
