asymptote
/ˈæsəmˌtoʊt/
a line that a curve approaches but never touches
asymptote in a sentence
“The function has a horizontal asymptote at y = 0.”
Origin of asymptote
Greek asymptotos not falling together, from a- not + syn together + ptotos fallen
Related Words
convergence
the property of approaching a definite value or state
divergence
the property of failing to approach any finite limit
continuous
having no breaks, jumps, or discontinuities
differential
an infinitesimally small change in a variable
inflection point
a point where a curve changes from concave to convex or vice versa
extremum
a maximum or minimum value of a function