Example: A triangle is, by definition, a three-sided shape.
Definition
"By definition" is a phrase used to indicate that something is true according to the exact meaning of a word or concept. For example, saying a triangle is, "by definition," a three-sided shape means this property is inherent in the term 'triangle.'
The phrase "by definition" originates from the word 'definition,' which comes from the Latin 'definitio,' meaning 'a setting of bounds' or 'a precise statement.' The phrase has been used to emphasize that something follows strictly from the meaning of a term or concept.
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"By definition" appears in the Vocaplus list "English - General - Idioms and Proverbs - (C1) - set 1", containing 130 commonly used expressions.
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