Search words & phrases
    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

    radical

    US /ˈrædɪkəl,'rædɪkḷ/

    ・

    UK /ˈrædɪkl/

    B1
    n. (c./u.)Noun (Countable/Uncountable)Person who believes in extreme political change
    He is a radical, who thinks war is the only answer
    adj.AdjectiveVery new and different from what is traditional
    I love his radical ideas, they are so interesting and refreshing
    adj.AdjectiveConcerning something's most basic part or form
    We need a radical change if we hope to end this job on time
    n. (c./u.)Noun (Countable/Uncountable)A group of atoms behaving as a unit in a chemical compound.
    A methyl group is a simple example of a radical.
    n. (c./u.)Noun (Countable/Uncountable)The root of a word.
    The radical of the word 'running' is 'run'.
    adj.AdjectiveAdvocating or based on thorough or complete political or social reform; representing or supporting an extreme section of a political party.
    He has radical political views.
    n. (c./u.)Noun (Countable/Uncountable)A quantity expressed as the root of another.
    The radical sign indicates the root of a number.
    n. (c./u.)Noun (Countable/Uncountable)An atom, molecule, or ion that has an unpaired electron and is therefore unstable and highly reactive.
    Free radicals can damage cells.
    n. (c./u.)Noun (Countable/Uncountable)In linguistics, a radical is a basic part of a character, especially in Chinese and other East Asian scripts.
    The radical Ct is a component of many Chinese characters.

    Video subtitles

    12 Signs You’re Way More Intelligent Than You Realize

    11:4412 Signs You’re Way More Intelligent Than You Realize
    • tend to maintain more radical schedules, enjoy  certain hobbies and passions, and engage in rich  

      tend to maintain more radical schedules, enjoy  certain hobbies and passions, and engage in rich  

    • Geniuses, for example, tend to maintain more radical schedules, enjoy certain hobbies and passions,

      Geniuses, for example, tend to maintain more radical schedules, enjoy certain hobbies and passions,

    B1

    Growing number of Chinese migrants seek asylum at U.S.-Mexico border

    05:27Growing number of Chinese migrants seek asylum at U.S.-Mexico border
    • That more Chinese are undertaking such a radical journey with no guarantees in the U.S. comes as the country is emerging from years of harsh zero COVID rules and facing a wilting economy.

      That more Chinese are undertaking such a radical journey with no guarantees in the U.S. comes as the country is emerging from years of harsh zero COVID rules and facing a wilting economy.

    • ARE UNDERTAKING SUCH A RADICAL

      ARE UNDERTAKING SUCH A RADICAL

    B1

    Capitalism and Socialism: Crash Course World History #33

    14:03Capitalism and Socialism: Crash Course World History #33
    • That doesn't seem radical now, but it sure did back then.

      That doesn't seem radical now, but it sure did back then.

    • That doesn’t seem radical now, but it sure did back then.

      That doesn’t seem radical now, but it sure did back then.

    B1

    Could Aging Be Reversed?

    02:18Could Aging Be Reversed?
    • And that led to the radical reversal in the ageing of the mice. They had more energy,

      And that led to the radical reversal in the ageing of the mice. They had more energy,

    B1

    Sam Altman: there’s no “magic red button” to stop AI

    03:55Sam Altman: there’s no “magic red button” to stop AI
    • or whether it’s radical, even in the next year?

      or whether it’s radical, even in the next year?

    A2

    Follow these TIPS To Overcome Stress: Dr. Will Cole

    09:58Follow these TIPS To Overcome Stress: Dr. Will Cole
    • I have to say, what was once considered radical or fringe 13 years ago⏤the idea that stress and trauma could trigger autoimmune issues⏤

      I have to say, what was once considered radical or fringe 13 years ago⏤the idea that stress and trauma could trigger autoimmune issues⏤

    B1

    Stanford Nanofabrication Facility: Dry Etching - Basics of Plasmas & Types of Tools (Part 2 of 4)

    23:18Stanford Nanofabrication Facility: Dry Etching - Basics of Plasmas & Types of Tools (Part 2 of 4)
    • And I can say, the plasma, so one, we use the RF in one power supply case, have to break down the plasma, and that controls the ion flux, or the radical concrete.

      And I can say, the plasma, so one, we use the RF in one power supply case, have to break down the plasma, and that controls the ion flux, or the radical concrete.

    • So this has to do with how dense my plasma is, so I get the ion flux, and radical generation.

      So this has to do with how dense my plasma is, so I get the ion flux, and radical generation.

    B2

    “There Is a Collision Coming,” Tucker Carlson and Jordan Peterson's 2024 Predictions

    10:20“There Is a Collision Coming,” Tucker Carlson and Jordan Peterson's 2024 Predictions
    • Because Trump is not a radical at all.

      Because Trump is not a radical at all.

    • I'm the opposite of a radical change.

      I'm the opposite of a radical change.

    B1

    Peroxisomes Structure & Function

    16:24Peroxisomes Structure & Function
    • Hydrogen peroxide is actually a nasty free radical, so it has the ability to cause free radical molecules which can cause a lot of damage to proteins and DNA and membranes.

      Hydrogen peroxide is actually a nasty free radical, so it has the ability to cause free radical molecules which can cause a lot of damage to proteins and DNA and membranes.

    • So we take the free radical, which is nasty, and turn it back into water and oxygen, which is actually okay.

      So we take the free radical, which is nasty, and turn it back into water and oxygen, which is actually okay.

    B2

    Jordan Peterson - Why Successful People Are Often Lonely

    06:36Jordan Peterson - Why Successful People Are Often Lonely
    • So perfection would be, stake it all on one thing and look for radical success.

      So perfection would be, stake it all on one thing and look for radical success.

    A2