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concave

C2 noun
us /ˈkɑn.keɪv/

concave /ˈkɒn.keɪv/ nghĩa là bề mặt lõm

Các nghĩa

  1. bề mặt lõm

    A concave surface or curve.

    Concave curbs make little sense.

    Concave is the antonym of convex.

    The moon's orbit is always concave toward the sun.

  2. vòm trời

    The vault of the sky.

  3. thiên cầu

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

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

  4. mặt lõm phân loại

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

  5. rãnh lõm đáy ván

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

  6. mặt lõm ván trượt

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

+ 1 nghĩa khác

  1. quân bài lõm

    A playing card made concave for use in cheating.

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