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irrotational

[ir-oh-tey-shuh-nl] /ˌɪr oʊˈteɪ ʃə nl/
adjective
1.
not having rotation.
2.
Mathematics. conservative (def 7).
Origin of irrotational
1870-1875
First recorded in 1870-75; ir-2 + rotational
Related forms
irrotationally, adverb
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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