irrotational

American  

[ir-oh-tey-shuh-nl] / ˌɪr oʊˈteɪ ʃə nl /

adjective

1. not having rotation.

2. Mathematics. conservative.

---

Other Word Forms

• irrotationally adverb

Etymology

Origin of irrotational

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

Example Sentences

Stokes afterwards showed that the quicker wave is a wave of irrotational dilatation, and the slower wave is a wave of rotational distortion accompanied by no change of volume.

From Encyclopaedia Britannica, 11th Edition, Volume 9, Slice 2 "Ehud" to "Electroscope" by Various

There is irrotational cyclic motion of the fluid through the ring in one direction and back outside, as shown in Fig.

From Lord Kelvin An account of his scientific life and work by Gray, Andrew

The motion produced has the property described by the word "irrotational," that is, the elements of the fluid have no spinning motion—they move without rotation.

From Lord Kelvin An account of his scientific life and work by Gray, Andrew

It is to be clearly understood that the motion of a fluid may be irrotational although the value of S does not vanish for every closed path that can be drawn in it.

From Lord Kelvin An account of his scientific life and work by Gray, Andrew

But the aether at a great distance must in any case be at rest; while the facts of astronomical aberration require that the motion of that medium must be irrotational.

From The Project Gutenberg Encyclopedia Volume 1 of 28 by Project Gutenberg