evolute

ev·o·lute

(ĕv′ə-lo͞ot′, ē′və-)

n. Mathematics

The locus of the centers of curvature of a given curve.

[From Latin ēvolūtus, past participle of ēvolvere, to unroll; see evolve.]

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

evolute

(ˈɛvəˌluːt)

(Mathematics) a geometric curve that describes the locus of the centres of curvature of another curve (the involute). The tangents to the evolute are at right angles to the involute

adj

(Biology) biology having the margins rolled outwards

[C19: from Latin ēvolūtus unrolled, from ēvolvere to roll out, evolve]

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

ev•o•lute

(ˈɛv əˌlut; esp. Brit. ˈi və-)

n.

Geom. the locus of the centers of curvature of, or the envelope of the normals to, another curve. Compare involute (def. 5).

[1720–30; < Latin ēvolūtus; see evolve]

Mentioned in ?

involute

References in periodicals archive ?

Samples were loaded onto SPE columns (EVOLUTE EXPRESS AX, Biotage, Charlotte, NC, USA) and extracted by using 5% formic acid in methanol.

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Involute and Evolute of Rectifying Curves in [R.sup.3].

Mathematics

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[29] "Evolute | the Geometry Experts," October 2018, http:// www.evolute.at/.

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TABLE 2 Vascular Control P-value Pathology (n=195) (n=147) Approach Transfemoral 76 (111) 86 (167) .025 Transapical 20 (29) 11 (21) .030 Transaortic 1(2) 3(5) .703 Trans-subclavian 3(4) 1 (2) .408 Transcaval 1(1) 0 (0) .430 Mean LOS after TAVR (days) 5.3 (9.4) 3.6 (3.2) .077 Valve type First generation Sapien 23 (34) 30 (58) .178 Sapien XT 17 (25) 13 (26) .367 Sapien S3 32 (47) 34 (67) .728 First Generation CoreValve 24 (35) 20 (39) .427 CoreValve Evolute 4(6) 3(5) .540 Values are mean (standard deviation) or n (%).

Clinical Arterial Peripheral Vascular Pathology Does Not Impact Short- or Long-Term Survival after Transcatheter Aortic Valve Replacement

In sostanza noi non facciamo altro che eternare la legge che governa l'universo, la quale esige che un'opera fatta di materia organica e poi organizzata in una costruzione sufficiente, per poter vivere deve riprodursi e per poi resistere deve ricostruirsi in forme sempre piAaAaAe evolute [...

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For instance, in [6], the authors extended and studied spacelike involute- evolute curves in Minkowski space.

The differential geometry of regular curves on a regular time-like surface

The MSYS transmission was developed by Evolute Drives in Leamington Spa, under an Innovate UK-funded project.