# Acnode

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## Definition of the noun Acnode

What does Acnode mean as a name of something?

**noun** - plural: acnodes

- [
*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.

## Explanation

**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

Click on a title to look inside that book (if available):

### Worlds 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 Elementary Treatise on Cubic and Quartic Curves (1901)

by Alfred Barnard Basset

Since * an acnode is a real point, the corresponding double tangent must be a real
straight line ; but the points of contact, which correspond to the tangents at the
acnode, will be imaginary*. B. c. 7 The third species consists of cuspidal cubics, ...

### Curve Tracing in Cartesian Coordinates (1884)

by William Woolsey Johnson

* 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 ...

### New International Encyclopedia (1914)

* An acnode is a multiple point at which the tangents are imaginary*. A node or
conjugate point corresponds to a double tangent, and a cusp to a stationary
tangent. See also Cardioid; Cartesians; Cas- sinian Oval; Catenary; Caustic;
Cycloid; ...

### The New International Encyclopædia (1909)

by Daniel Coit Gilman, Harry Thurston Peck, Frank Moore Colby

* An acnode is a multiple point at which the tangents are imaginary*. A node or
conjugate point corresponds to a double tangent, and a cusp to a stationary
tangent. Curvature. The curvature of a plane curve at any point is its tendency to
depart ...

### Encyclopaedic Dictionary (1903)

An Original Work of Reference to the Words in the English Language, Giving a Full Account of Their Origin, Meaning, Pronunciation, and Use

acnlamydeae—**acnode** üch-la-myd -ó-ae, s. pl. [Mod. Lat., from Gr. 3 (a), priv.,
and xxouws (chlamus), genit. xAauvēos (chlamudos) = a cloak..] Bot.: Lindley's
name for a group of dicotyledons, in which the floral envelope is wanting.

### The Encyclopaedia Britannica ... (1898)

A Dictionary of Arts, Sciences and General Literature ... in Thirty Volumes with New American Supplement

The double point is either **an acnode** (isolated point),
then the surface at the point in question is convex towards (that is, concave ...

### The Century Dictionary: The Century dictionary (1914)

Conjugate point, **an acnode** or double point of a curve having the two tangents
imaginary, and thus separate from every other real point on the curve. See
**acnode**.—Conjugate points, with respect to a conic, points the polar of each of
which ...

### The Century Dictionary and Cyclopedia: Dictionary (1904)

by William Dwight Whitney

The branches nearest the asym note form **a conc oid having an acnode** at P. The
dotted curves ll'lk team the conchoid with a cusp at P. ole of the curve, to the
curve, the part of the ine intercepted between the curve and a fixed line (now
called ...

### The Century Dictionary and Cyclopedia (1906)

A Work of Universal Reference in All Departments of Knowledge with a New Atlas of the World

Conjugate point, **an acnode** or double point of a curve having the two tangents
imaginary, and thus separate from every other real point on the curve. See
**acnode**.—Conjugate points, with respect to a conic, points the polar of each of
which ...

### The Century dictionary (1906)

**acnode**.
face, shovel-shaped vertex with a thick, smooth margin, and thick wing-covers
with ...

### The Century Dictionary and Cyclopedia: The Century dictionary ... prepared under the superintendence of William Dwight Whitney ... rev. & enl. under the superintendence of Benjamin E. Smith (1914)

by William Dwight Whitney, Benjamin Eli Smith

Conjugate point, **an acnode** or double point of a curve having the two tangents
imaginary, and thus separate from every other real point on the curve. See
**acnode**. — Conjugate points, with respect to a conic, points the polar of each of
which ...

### Nelson's Encyclopaedia (1907)

if imaginary, **a conjugate point or
acnode**; if coincident, a cusp (5). To investigate, transfer the origin to 416 thrown
out to the surface until the hard ground is reached, when explosives are ...

## Online dictionaries and encyclopedias with entries for Acnode

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## Photo about Acnode

**ACNode ProtoShield**

Photo credit: Solexious

## Video about Acnode

**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 A_{1}C_{3}N_{1}O_{1}D_{2}E_{1}

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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See also the blanagrams of Acnode!

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