concave
5
5.2
- adjective
- /ˈkɒn.keɪv/
:
cóncavo
- It's changing from concave here to convex there.
- concave mirror
- concave shape
- concave side
Well, they're all circle, concave little circles.
- Well, they're all circle, concave little circles.
- Looking closely, it definitely looks like his buildings are at least partial giant concave mirrors, don't they?
- Joshua trees grow these tough, concave spikes for leaves, channelling what little water does fall down towards their roots.
- It's it's concave, so it's cut this way and.
- So I'm going to write that down South, concave up, concave up.
- It's not like sliding around at the like concave at the bottom like attention.
Examples
-
I attempted to explain the spherical aberration, the structural defects of the concave mirror.
Fiction book (1995) -
"It's more curved, more concave, than I thought when you first held it up," Zanny said.
Fiction book (1993) -
By the way, that function is concave, right?
-
So we could say F is concave up.
-
So we call this kind of shape concave up, and we call this kind of shape concave down.
-
OK, now we assume that we have a concave social welfare function.
-
And this curve is always shaped that way, concave toward the origin.
-
Ellie and Peter walk along the periphery of the vast concave dish.
Fiction book (1997) -
They came equipped with a spear, short sword, round concave shield, Greaves, arm protection and a heavy bronze helmet.
-
The artist used a concave mirror to distort his reflection in an interesting way.
Synonyms
1
3.6
A shape with a curved bottom and an open top like a bowl
1
3.9
Shallow, rounded, and curved inward like a small dish
Rounded and hollow like a bowl
Curved inward so a surface or edge bends toward the center
A surface that curves inward like a shallow bowl
Curving inward like a shallow bowl
A shape that is like a spoon with a round shallow hollow
Antonyms
Compounds
- Specialized
A lens that is thinner in the middle than at the edges and makes parallel light rays spread out
- Specialized
A polygon with at least one angle of more than 180 degrees that has a part pointing inward
- Specialized
Curved inward on both sides like two shallow bowls facing each other
How Curved
Surface Forms
Morphology
Etymology
Concave comes from Latin parts con- and cavus, where cavus means 'hollow' and is the same root you see in English words like cave and cavity. So, concave describes something hollowed or curved inward, like the inside of a bowl.