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

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