Spelling. Are you looking for Tacnode?

# Acnode

## 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.

## 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

Click on a label to prioritize search results according to that topic:

ACNode ProtoShield

Photo credit: Solexious

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

What do you get if you rearrange the letters?