isopleth

Noun

i=so=pleth

WORDNET DICTIONARY

isopleth(n = noun.location) isarithm, isogram - a line drawn on a map connecting points having the same numerical value of some variable; Array

has particulars: isobar, isochrone, isoclinal, isoclinic line, isohel, isotherm

is a kind of line

isopleth, n. a line on a map connecting places having equal incidence of a meteorological feature.

Etymology

ISO- + Gk plethos fullness