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Definition of euclidean

euclidean

/juːˈklɪd.i.ən/
eu · clid · e · an
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euclidean Lexical Profile

euclidean Game Scores & Validity

• adjective

1

Relating to or denoting the system of classical geometry based on the axioms and postulates of the ancient Greek mathematician Euclid, which deals with flat two-dimensional planes and three-dimensional spaces.

Example

"In standard Euclidean geometry, the interior angles of any triangle always add up to exactly 180 degrees."

2

Characterized by regular, rectilinear, or strictly symmetrical geometric shapes and straight lines.

Example

"The modernist architect favored stark Euclidean forms over organic, flowing curves."

Synonyms
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Antonyms
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• Rhymes for euclidean

• Nearby Words

eucalyptus
eucharist
eucharistic
euclidean
eucryphia
eugene
euglena

Word Origin & Etymology

Named after Euclid of Alexandria (fl. c. 300 BC), the ancient Greek mathematician whose foundational treatise 'Elements' established the principles of classical plane and solid geometry.

Cite this Entry

Wordmom. (2026). Definition of Euclidean. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/euclidean
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