معنی فارسی concave

B1 /ˈkɒŋkeɪv/

مقعر، به سطحی اطلاق می‌شود که به داخل فرورفتگی دارد.

Curved inward like the inside of a bowl.

noun
معنی(noun):

A concave surface or curve.

معنی(noun):

The vault of the sky.

معنی(noun):

One of the celestial spheres of the Ptolemaic or geocentric model of the world.

مثال:

Aristotle makes [Fire] to move to the concave of the Moon. - Thomas Salusbury (1661).

معنی(noun):

An element of a curved grid used to separate desirable material from tailings or chaff in mining and harvesting.

معنی(noun):

An indentation running along the base of a surfboard, intended to increase lift.

معنی(noun):

An indented area on the top of a skateboard, providing a position for foot placement and increasing board strength.

verb
معنی(verb):

To render concave, or increase the degree of concavity.

adjective
معنی(adjective):

Curved like the inner surface of a sphere or bowl

معنی(adjective):

(of a polygon) not convex; having at least one internal angle greater than 180 degrees.

معنی(adjective):

(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.

معنی(adjective):

Hollow; empty

example
معنی(example):

لنز مقعر بود و به متمرکز کردن نور کمک می‌کرد.

مثال:

The lens was concave, helping to focus the light.

معنی(example):

سطح کاسه مقعر است و آن را برای نگهداری مایعات مناسب می‌سازد.

مثال:

The surface of the bowl is concave, making it useful for holding liquids.

معنی فارسی کلمه concave

: معنی concave به فارسی

مقعر، به سطحی اطلاق می‌شود که به داخل فرورفتگی دارد.