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

    perpendicular

    US /ˌpə:pənˈdɪkjəlɚ/

    ・

    UK /ˌpɜ:pənˈdɪkjələ(r)/

    C1
    adj.AdjectiveBeing at right angles to a given line or plane
    State Street is perpendicular to First Avenue
    adj.AdjectiveIn a straight up and down direction; vertical.
    The cliff was perpendicular, making it impossible to climb.
    n.NounA line at right angles to a given line, plane, or surface.
    Draw a perpendicular from point A to line BC.

    Video subtitles

    Euler's formula with introductory group theory

    24:28Euler's formula with introductory group theory
    • When you read it, you can think that exponentials in general map purely vertical slides, the additive actions that are perpendicular to the real number line, into pure rotations, which are in some sense perpendicular to the real number stretching actions.

      When you read it, you can think that exponentials in general map purely vertical slides, the additive actions that are perpendicular to the real number line, into pure rotations, which are in some sense perpendicular to the real number stretching actions.

    • When you read it, you can think that exponentials in general map purely vertical slides, the additive actions that are perpendicular to the real number line, into pure rotations, which are in some sense perpendicular to the real number stretching actions.

      When you read it, you can think that exponentials in general map purely vertical slides, the additive actions that are perpendicular to the real number line, into pure rotations, which are in some sense perpendicular to the real number stretching actions.

    B1

    Why Are Cooling Towers Shaped Like That?

    19:48Why Are Cooling Towers Shaped Like That?
    • As soon as you put a curve in it, it's much harder to bend perpendicular to the curve.

      As soon as you put a curve in it, it's much harder to bend perpendicular to the curve.

    • As soon as you put a curve in it, it's much harder to bend perpendicular to the curve.

      As soon as you put a curve in it, it's much harder to bend perpendicular to the curve.

    B1

    「バレエ」の技を21のレベルで実演 | Levels | WIRED Japan

    13:38「バレエ」の技を21のレベルで実演  | Levels | WIRED Japan
    • The foot and the knee are almost perpendicular to each other, and in the American school, it's slightly similar, but the leg is lifted higher, and then the Russian school being the most extreme.

      The foot and the knee are almost perpendicular to each other, and in the American school, it's slightly similar, but the leg is lifted higher, and then the Russian school being the most extreme.

    • The foot and the knee are almost perpendicular to each other,

      The foot and the knee are almost perpendicular to each other,

    B1

    Adjustments for Snowboarding Bumps and Choppy Terrain

    10:39Adjustments for Snowboarding Bumps and Choppy Terrain
    • And I've made a video myself—we often say that you want to keep your weight perfectly centered down through the middle of the board—and I often use the image of an upside-down capital letter T, and my spine is always perpendicular to the board.

      And I've made a video myself—we often say that you want to keep your weight perfectly centered down through the middle of the board—and I often use the image of an upside-down capital letter T, and my spine is always perpendicular to the board.

    • We often say that you want to keep your weight perfectly centered down through the middle of the board, and I often use the image of an upside down capital letter T. And my spine is always perpendicular to the board.

      We often say that you want to keep your weight perfectly centered down through the middle of the board, and I often use the image of an upside down capital letter T. And my spine is always perpendicular to the board.

    B1

    How High Can We Build?

    10:07How High Can We Build?
    • If you were to take the entire length of the Nile River and stand it up on its edge, perpendicular to the Earth, it would reach into outer space about this far.

      If you were to take the entire length of the Nile River and stand it up on its edge, perpendicular to the Earth, it would reach into outer space about this far.

    • the entire length of the Nile River and stand it up on it's edge, perpendicular to the Earth,

      the entire length of the Nile River and stand it up on it's edge, perpendicular to the Earth,

    B1

    Vel'Koz Champion Spotlight

    08:49Vel'Koz Champion Spotlight
    • Vel'Koz fires a long-range bolt of energy that splits at the end of its range, sending out two secondary bolts that travel perpendicular to the initial bolt's direction.

      Vel'Koz fires a long-range bolt of energy that splits at the end of its range, sending out two secondary bolts that travel perpendicular to the initial bolt's direction.

    • sending out two secondary bolts that travel perpendicular to the initial bolt's direction.

      sending out two secondary bolts that travel perpendicular to the initial bolt's direction.

    B2

    How to Clean Kitchen Counters! Easy Ways for Cleaning Your Kitchen (Clean My Space)

    07:32How to Clean Kitchen Counters! Easy Ways for Cleaning Your Kitchen (Clean My Space)
    • and if you want to be mother-in-law clean, line your items up parallel and perpendicular to the edge of the counter to ensure clean lines.

      and if you want to be mother-in-law clean, line your items up parallel and perpendicular to the edge of the counter to ensure clean lines.

    • line your items up parallel and perpendicular to the edge

      line your items up parallel and perpendicular to the edge

    B1

    Shaping a City

    01:52Shaping a City
    • All the streets runs perfectly parallel and perpendicular to one another.

      All the streets runs perfectly parallel and perpendicular to one another.

    • All the streets run perfectly parallel and perpendicular to one another.

      All the streets run perfectly parallel and perpendicular to one another.

    B1

    Cycles in the Sky: Crash Course Astronomy #3

    09:29Cycles in the Sky: Crash Course Astronomy #3
    • You've probably seen a globe and noticed that the axis of it is tilted, that is, it's not straight up and down, perpendicular to how it sits.

      You've probably seen a globe and noticed that the axis of it is tilted, that is, it's not straight up and down, perpendicular to how it sits.

    • it’s not straight up-and-down, perpendicular to how it sits. That’s because a globe is

      it’s not straight up-and-down, perpendicular to how it sits. That’s because a globe is

    B1

    Baseball Aerodynamics

    26:58Baseball Aerodynamics
    • Now consider the rotation axis of a knuckleball is perpendicular to the ground

      Now consider the rotation axis of a knuckleball is perpendicular to the ground

    B1