tacnode – English noun declension

English noun forms of tacnode

Noun: tacnode
Singulartacnode
Pluraltacnodes

Sample Sentences

  • A tacnode is defined to be a singularity equivalent to the origin in the curve y²-x²#61;0, that is, the union of two smooth arcs meeting with contact of order two. Similarly, an oscnode is a singularity equivalent to y²-x⁶#61;0, i.e., consisting of two smooth branched with contact of order three, and so on. [2012, Joe Harris, Algebraic Geometry: A First Course, page 262:]

Etymology

Latin tactus + English node See: English Nouns 'node'.