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Definition of the noun Acnode

What does Acnode mean as a name of something?

noun - plural: acnodes

  1. [geometry] An isolated point not upon a curve, but whose coordinates satisfy the equation of the curve so that it is considered as belonging to the curve.


Acnode: An acnode is an isolated point not on a curve, but whose coordinates satisfy the equation of the curve. The term "isolated point" or "hermit point" is an equivalent term.

  • also known as 孤立点

Printed dictionaries and other books with definitions for Acnode

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Google previewWorlds Out of Nothing (2011)

A Course in the History of Geometry in the 19th Century by Jeremy Gray

Terminology: A crunode is a singular point on a curve where the tangent directions are real and separated; an acnode is an isolated real point where the tangents have complex conjugate directions; and a cusp is a singular point where the ...



An acnode is a point at which an oval vanishes. Thus the nodal variety of a curve is intermediate between varieties which differ in the number of circuits. As an illustration, take the curve whose equation is {x2 + f — a2)2 = <r4 — $a2f. The curve ...

Google previewThe Mathematics Dictionary (1992)

by R.C. James, Glenn James

Accumulator Acnode. Acnode Acre. Acre Action centrifuge Action reciproque Actives. Assets Addende. Addend Addition. Addition Adiabatique. Adiabatic Adjoint d'une matrice. Adjoint of ...

Google previewA Dictionary of the English Language (1895)

Pronouncing, Etymological, and Explanatory; Embracing Scientific and Other Terms, Numerous Familiar Terms and a Copious Selection of Old English Words by James Stormonth, Philip Henry Phelp

acnode, n. dkhtud [L. acas ...

Google previewEnglish Pronouncing Dictionary (2006)

by Daniel Jones, Peter Roach, James Hartman

ni acnode 'ask. naod ® -noud -s -z Acol road in London, system of bridge playing: ...

Google previewVan Nostrand’s Scientific Encyclopedia (2013)

by Douglas M. Considine, Glenn D. Considine

A third possibility is that of imaginary tangents and the point is then a conjugate or isolated point, also sometimes called an acnode (L. acus, needle). When k branches of a curve cross, the point is a multiple point of order k. When k > 2, several ...

Google previewAcademic Press Dictionary of Science and Technology (1992)

by Christopher G. Morris, Academic Press

acnode see isolated point. acoasm see acousma. Acoela Invertebrate Zoology, an order of small (less than 2 mm), primitive marine ...

Google previewEncyclopaedia Britannica (1817)

Or, A Dictionary of Arts, Sciences, and Miscellaneous Literature ...

of the :::::: node and inclination of the equator, or as the fluxions of the of the whole variable preceffion and nutation, while the moon's acnode continually changes its place, and in the fpace oft" 18 years makes a complete tour of the heavens.

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ACNode ProtoShield

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Acnode Meaning

Video shows what acnode means. An isolated point not upon a curve, but whose coordinates satisfy the equation of the curve so that it is considered as ...

Scrabble value of A1C3N1O1D2E1

The value of this 6-letter word is 9 points. It is included in the first and second editions of the Official Scrabble Players Dictionary.

Anagrams of ACNODE

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