Footer

    Download on the App StoreGet it on Google Play

    About

    • About Us
    • Our Learning Services
    • Join Us
    • FAQ
    • Hot Tags

    Services

    • Pronunciation Challenge
    • Saved
    • Search Vocabulary
    • Blog

    Channels

    Levels

    • A1
    • A2
    • B1
    • B2
    • C1
    • C2

    Privacy˙Terms˙
    ©2026 VoiceTube Corporation. All rights reserved

    concave

    US /kɑnˈkev, ˈkɑnˌkev/

    ・

    UK /'kɒn'keɪv/

    C1
    adj.AdjectiveHollow; curved inward
    The concave mirror was perfect for makeup application

    Video subtitles

    Inside Disney's Secret Test Lab

    16:31Inside Disney's Secret Test Lab
    • As they extend out of the hilt, the tapes bend into a concave shape to create a rigid blade,

      As they extend out of the hilt, the tapes bend into a concave shape to create a rigid blade,

    • As they extend out of the hilt, the tapes bend into a concave shape to create a rigid blade.

      As they extend out of the hilt, the tapes bend into a concave shape to create a rigid blade.

    B1

    What's Inside These 8 Unique Creatures?

    29:40What's Inside These 8 Unique Creatures?
    • Then the trap rapidly goes from convex to concave on each side.

      Then the trap rapidly goes from convex to concave on each side.

    • Then the trap rapidly goes from convex to concave on each side,

      Then the trap rapidly goes from convex to concave on each side,

    B2

    One Minute Yoga for Scoliosis Tip #1 - Breathe into the concave side

    00:56One Minute Yoga for Scoliosis Tip #1 - Breathe into the concave side
    • It's as simple as putting your hand on the concave side of the scoliosis and breathing into that area.

      It's as simple as putting your hand on the concave side of the scoliosis and breathing into that area.

    • It's as simple as putting your hand on the concave side,

      It's as simple as putting your hand on the concave side,

    B1

    What’s New In Baking | Marmoset Toolbag 5

    13:10What’s New In Baking | Marmoset Toolbag 5
    • Bevel shading works across convex and concave edges and can be toggled to work across overlapping meshes or simply bevel the same surface only, allowing for finer control.

      Bevel shading works across convex and concave edges and can be toggled to work across overlapping meshes or simply bevel the same surface only, allowing for finer control.

    • Bevel shading works across convex and concave edges and can be toggled to work across overlapping meshes or simply bevel the same surface only, allowing for finer control.

      Bevel shading works across convex and concave edges and can be toggled to work across overlapping meshes or simply bevel the same surface only, allowing for finer control.

    B2

    How to effortlessly/Lazy Shuvit for Absolute beginners

    03:40How to effortlessly/Lazy Shuvit for Absolute beginners
    • We're going to have our back foot just on the corner of the tail here, in between where the concave goes and the tip of the tail.

      We're going to have our back foot just on the corner of the tail here, in between where the concave goes and the tip of the tail.

    • in between where the concave goes and the tip

      in between where the concave goes and the tip

    A2

    Nei Jia Quan - Internal Martial Arts Training

    03:27Nei Jia Quan - Internal Martial Arts Training
    • arts we concave our chest and we look to cultivate an environment for our internal organs, and

      arts we concave our chest and we look to cultivate an environment for our internal organs, and

    • Uh, in the internal arts we concave our chest and we look to cultivate an environment for our internal organs,

      Uh, in the internal arts we concave our chest and we look to cultivate an environment for our internal organs,

    B1

    How Pringles Are Made In Factory

    12:29How Pringles Are Made In Factory
    • While in the fryer, a large roller molds the dough slices into a thin, concave shape.

      While in the fryer, a large roller molds the dough slices into a thin, concave shape.

    • While in the fryer, a large roller molds the dough slices into a thin, concave shape.

      While in the fryer, a large roller molds the dough slices into a thin, concave shape.

    B2

    How it Works Fat Man Oppenheimer Trinity Atomic Bomb

    05:51How it Works Fat Man Oppenheimer Trinity Atomic Bomb
    • The outer charge explodes inward, followed by the inner ring of explosives creating a concave shockwave.

      The outer charge explodes inward, followed by the inner ring of explosives creating a concave shockwave.

    • The outer charge explodes inward, followed by the inner ring of explosives creating a concave shockwave.

      The outer charge explodes inward, followed by the inner ring of explosives creating a concave shockwave.

    B2

    Is the Fuji X-E5 the Best Tiny Camera for Travel?

    08:44Is the Fuji X-E5 the Best Tiny Camera for Travel?
    • The XC5 is a gorgeous, petite, and classy looking camera with sharp lines throughout the body, with an occasional concave edge for some extra flair and distinctive look.

      The XC5 is a gorgeous, petite, and classy looking camera with sharp lines throughout the body, with an occasional concave edge for some extra flair and distinctive look.

    • classy-looking camera with sharp lines throughout the body, with an occasional concave edge for some extra flair and distinctive look.

      classy-looking camera with sharp lines throughout the body, with an occasional concave edge for some extra flair and distinctive look.

    B1

    フィギュアスケーターだけど質問ある? | Tech Support | WIRED Japan

    20:38フィギュアスケーターだけど質問ある? | Tech Support | WIRED Japan
    • The skating blade is really interesting because it actually has, again, a little bit of a concave, and that's called your hollow.

      The skating blade is really interesting because it actually has, again, a little bit of a concave, and that's called your hollow.

    • The skating blade is really interesting because it actually has, again, a little bit of a concave, and that's called your hollow.

      The skating blade is really interesting because it actually has, again, a little bit of a concave, and that's called your hollow.

    B1