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    Privacy˙Terms˙
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    principle

    US /ˈprɪnsəpəl/

    ・

    UK /ˈprɪnsəpl/

    A2TOEIC
    n. (c./u.)Noun (Countable/Uncountable)Moral rule or belief governing a person's behavior
    I live by the principle that life should have meaning
    n. (c./u.)Noun (Countable/Uncountable)Natural law that explains how things work
    The equivalence principle says that small things fall at the same speed as big things
    n. (c./u.)Noun (Countable/Uncountable)A fundamental truth or proposition that serves as the foundation for a system of belief or behaviour or for a chain of reasoning.
    He has high moral principles.
    n. (c./u.)Noun (Countable/Uncountable)A general scientific law or rule.
    The experiment demonstrated the principle of conservation of energy.
    n. (c./u.)Noun (Countable/Uncountable)A personal code of conduct.
    She's a woman of principle.

    Video subtitles

    How Words Can Harm: Crash Course Philosophy #28

    10:46How Words Can Harm: Crash Course Philosophy #28
    • But the audience was using the cooperative principle and assumed that everyone involved was saying what they really meant.

      But the audience was using the cooperative principle and assumed that everyone involved was saying what they really meant.

    • But the audience was using the cooperative principle, and assumed that everyone involved was saying what they really meant.

      But the audience was using the cooperative principle, and assumed that everyone involved was saying what they really meant.

    B1

    The Greatest Innovations In Formula One

    12:00The Greatest Innovations In Formula One
    • and all Formula 1 cars since have followed this design principle.

      and all Formula 1 cars since have followed this design principle.

    • of aerodynamic discovers and all Formula One cars since have followed this design principle.

      of aerodynamic discovers and all Formula One cars since have followed this design principle.

    B1

    Knight

    40:16Knight
    • but in the 16th century Machiavelli instructed aspiring political rulers to be ruthlessly pragmatic and to apply the principle that the ends justify the means, directly counter to the high-flown idealism of late medieval chivalry.

      but in the 16th century Machiavelli instructed aspiring political rulers to be ruthlessly pragmatic and to apply the principle that the ends justify the means, directly counter to the high-flown idealism of late medieval chivalry.

    • the principle that the ends justify the means, directly counter to the high-flown idealism

      the principle that the ends justify the means, directly counter to the high-flown idealism

    B2

    How the discovery of DNA changed the world – and my life | BBC Ideas

    05:55How the discovery of DNA changed the world – and my life | BBC Ideas
    • This means genetic diseases such as haemophilia, muscular dystrophy and cancers, in principle, might be "corrected" by editing the DNA of human embryos.

      This means genetic diseases such as haemophilia, muscular dystrophy and cancers, in principle, might be "corrected" by editing the DNA of human embryos.

    • in principle, might be "corrected" by editing the DNA of human embryos.

      in principle, might be "corrected" by editing the DNA of human embryos.

    B2

    Democratic Presidential Debate - June 26 (Full) | NBC News

    36:00Democratic Presidential Debate - June 26 (Full) | NBC News
    • And I am the candidate and the only one who's saying this has to be the top priority of the United States, the organizing principle to mobilize the United States so that we can do what we've always done, lead the world and invent the future,

      And I am the candidate and the only one who's saying this has to be the top priority of the United States, the organizing principle to mobilize the United States so that we can do what we've always done, lead the world and invent the future,

    • And I am the candidate and the only one who's saying this has to be the top priority of the United States, the organizing principle to mobilize the United States so that we can do what we've always done, lead the world and invent the future,

      And I am the candidate and the only one who's saying this has to be the top priority of the United States, the organizing principle to mobilize the United States so that we can do what we've always done, lead the world and invent the future,

    B1

    A New Way to Understand Cancer

    10:25A New Way to Understand Cancer
    • Immune cells have an off switch that deactivates them before they can attack, which, in principle, is a good idea.

      Immune cells have an off switch that deactivates them before they can attack, which, in principle, is a good idea.

    • Immune cells have an off switch that deactivates them before they can attack, which in principle is a good idea.

      Immune cells have an off switch that deactivates them before they can attack, which in principle is a good idea.

    B1

    Are You Being Charged More Than Everyone Else?

    09:39Are You Being Charged More Than Everyone Else?
    • Discriminatory pricing also violates the principle of informational symmetry.

      Discriminatory pricing also violates the principle of informational symmetry.

    • - Discriminatory pricing also violates the principle

      - Discriminatory pricing also violates the principle

    B1

    Picasso And Modern Art Museums

    03:50Picasso And Modern Art Museums
    • Now, after seeing this, I've come up with something called the Keith Haring Principle to help people like me better understand modern art.

      Now, after seeing this, I've come up with something called the Keith Haring Principle to help people like me better understand modern art.

    • And after seeing this, I've come up with something called the Keith Haring Principle to help people like me better understand modern art.

      And after seeing this, I've come up with something called the Keith Haring Principle to help people like me better understand modern art.

    A2

    What Is Time? (better audio) Determinism, Quantum Physics, Consciousness, Free Will, Causality...

    31:18What Is Time? (better audio) Determinism, Quantum Physics, Consciousness, Free Will, Causality...
    • in principle), we would still have the other realm, where a lot of stuff would still be

      in principle), we would still have the other realm, where a lot of stuff would still be

    • in principle), we would still have the other realm, where a lot of stuff would still be

      in principle), we would still have the other realm, where a lot of stuff would still be

    B1

    Watch Jim Lehrer Moderate First Full Presidential Debate

    31:01Watch Jim Lehrer Moderate First Full Presidential Debate
    • My number one principle is there'll be no tax cut that adds to the deficit.

      My number one principle is there'll be no tax cut that adds to the deficit.

    • We have to work on a collaborative basis, not because we're going to compromise our principle,

      We have to work on a collaborative basis, not because we're going to compromise our principle,

    B1