concave

As nouns the difference between groove and concave

is that groove is 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 while concave is a concave surface or curve.

As verbs the difference between groove and concave

is that groove is to cut a groove or channel in; to form into channels or grooves; to furrow while concave is to render concave, or increase the degree of concavity.

As an adjective concave is

curved like the inner surface of a sphere or bowl.

As adjectives the difference between concave and uneven

is that concave is curved like the inner surface of a sphere or bowl while uneven is not even.

As a noun concave

is a surface or curve.

As a verb concave

is to render , or increase the degree of concavity.

Concave is a related term of treacherous.

As adjectives the difference between concave and treacherous

is that concave is curved like the inner surface of a sphere or bowl while treacherous is exhibiting treachery.

As a noun concave

is a surface or curve.

As a verb concave

is to render , or increase the degree of concavity.

As adjectives the difference between concave and flat

is that concave is curved like the inner surface of a sphere or bowl while flat is having no variations in height.

As nouns the difference between concave and flat

is that concave is a concave surface or curve while flat is an area of level ground.

As verbs the difference between concave and flat

is that concave is to render concave, or increase the degree of concavity while flat is to make a flat call; to call without raising.

As an adverb flat is

so as to be flat.

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.

As an adjective concave is

curved like the inner surface of a sphere or bowl.

As a noun concave is

a surface or curve.

As a verb concave is

to render , or increase the degree of concavity.

Concave is a related term of vacant.

As adjectives the difference between concave and vacant

is that concave is curved like the inner surface of a sphere or bowl while vacant is not occupied; empty.

As a noun concave

is a surface or curve.

As a verb concave

is to render , or increase the degree of concavity.

As nouns the difference between concave and pit

is that concave is a concave surface or curve while pit is a hole in the ground.

As verbs the difference between concave and pit

is that concave is to render concave, or increase the degree of concavity while pit is to make pits in.

As an adjective concave

is curved like the inner surface of a sphere or bowl.

As verbs the difference between sunken and concave

is that sunken is past participle of lang=en while concave is to render concave, or increase the degree of concavity.

As adjectives the difference between sunken and concave

is that sunken is caused, by natural or unnatural means, to be submerged while concave is curved like the inner surface of a sphere or bowl.

As a noun concave is

a concave surface or curve.

As verbs the difference between concave and curve

is that concave is to render , or increase the degree of concavity while curve is .

As an adjective concave

is curved like the inner surface of a sphere or bowl.

As a noun concave

is a surface or curve.