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irrotational

[ ir-oh-tey-shuh-nl ]

adjective

  1. not having rotation.
  2. Mathematics. conservative ( def 7 ).

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Other Words From

  • irro·tation·al·ly adverb

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Word History and Origins

Origin of irrotational1

First recorded in 1870–75; ir- 2 + rotational

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Example Sentences

A stream line is the line, straight or curved, traced by a particle in a current of fluid in irrotational movement.

It is important to distinguish between two types of strain: the “rotational” type and the “irrotational” type.

A second-order effect on direction may therefore be produced by irrotational motion, but not a first-order effect.

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