### Definition of Tacnode

1. a point of contact between two curves [n -S]

### Tacnode Pictures

Click the following link to bring up a new window with an automated collection of images related to the term: Tacnode Images

### Lexicographical Neighbors of Tacnode

 tackle falltackle twilltackledtacklertacklerstacklestacklesstacklingtacklingstacks tacks uptacksmantacksmentackytacnode (current term)tacnodestaco saladtaco saucetacoliketaconic taconitetaconitestacopstacostacrinetacrinestacrolimustact

### Literary usage of Tacnode

Below you will find example usage of this term as found in modern and/or classical literature:

1. An Elementary Treatise on Cubic and Quartic Curves by Alfred Barnard Basset (1901)
"A tacnode cusp is formed by the union of a ... The curve belongs to species VIII., which has two double tangents; and since the tangent at a tacnode counts ..."

2. An Elementary Treatise on Cubic and Quartic Curves by Alfred Barnard Basset (1901)
"A tacnode cusp is formed by the union of a ... belongs to species VIII., which has two double tangents ; and since the tangent at a tacnode counts twice, ..."

3. On the In-and-circumscribed Triangles of the Plane Rational Quartic Curve by Joseph Nelson Rice (1917)
"For the construction of these triangles see Figure 1. (6) The Quartic with a tacnode Let the parametric equations be ..."

4. The Cambridge and Dublin Mathematical Journal by William Whewell, Duncan Farquharson Gregory, Robert Leslie Ellis, William Thomson Kelvin, Norman Macleod Ferrers (1852)
"Consider the tacnode as two coincident nodes; each of these nodes, by virtue of its constituting, in conjunction with the other, ..."

5. The Cambridge and Dublin Mathematical Journal by William Thomson, N M Ferrers (1852)
"Consider the tacnode as two coincident nodes; each of these nodes, by virtue of its constituting, in conjunction with the other, ..."

6. The Collected Mathematical Papers of Arthur Cayley by Arthur Cayley (1889)
"Consider the tacnode as two coincident nodes; each of these nodes, by virtue of its constituting, in conjunction with the other, ..."

7. A Treatise on the Higher Plane Curves: Intended as a Sequel to A Treatise on by George Salmon (1879)
"It is to be noticed that the common tangent counts twice as a double tangent of the curve; thus, supposing that there is not (besides the tacnode) any node ..."

8. Transactions by Cambridge Philosophical Society (1804)
"The remaining surfaces never can have a tacnode t, as it is very easy to verify. We have therefore to investigate the conditions that the quartic F = 0 ..."

9. An Elementary Treatise on Cubic and Quartic Curves by Alfred Barnard Basset (1901)
"A tacnode cusp is formed by the union of a ... The curve belongs to species VIII., which has two double tangents; and since the tangent at a tacnode counts ..."

10. An Elementary Treatise on Cubic and Quartic Curves by Alfred Barnard Basset (1901)
"A tacnode cusp is formed by the union of a ... belongs to species VIII., which has two double tangents ; and since the tangent at a tacnode counts twice, ..."

11. On the In-and-circumscribed Triangles of the Plane Rational Quartic Curve by Joseph Nelson Rice (1917)
"For the construction of these triangles see Figure 1. (6) The Quartic with a tacnode Let the parametric equations be ..."

12. The Cambridge and Dublin Mathematical Journal by William Whewell, Duncan Farquharson Gregory, Robert Leslie Ellis, William Thomson Kelvin, Norman Macleod Ferrers (1852)
"Consider the tacnode as two coincident nodes; each of these nodes, by virtue of its constituting, in conjunction with the other, ..."

13. The Cambridge and Dublin Mathematical Journal by William Thomson, N M Ferrers (1852)
"Consider the tacnode as two coincident nodes; each of these nodes, by virtue of its constituting, in conjunction with the other, ..."

14. The Collected Mathematical Papers of Arthur Cayley by Arthur Cayley (1889)
"Consider the tacnode as two coincident nodes; each of these nodes, by virtue of its constituting, in conjunction with the other, ..."

15. A Treatise on the Higher Plane Curves: Intended as a Sequel to A Treatise on by George Salmon (1879)
"It is to be noticed that the common tangent counts twice as a double tangent of the curve; thus, supposing that there is not (besides the tacnode) any node ..."

16. Transactions by Cambridge Philosophical Society (1804)
"The remaining surfaces never can have a tacnode t, as it is very easy to verify. We have therefore to investigate the conditions that the quartic F = 0 ..."