isoline

== English == === Etymology === From iso- +‎ line. === Noun === isoline (plural isolines) Any of several types of line on a map, chart or graph that link points having the same value of a parameter. Synonyms: isopleth, isarithm, isogram, isopract ==== Hyponyms ==== See Category:en:Isolines for a full list of isoline types. === See also === isarithm isobar isocontour isopleth isosurface isotherm === Anagrams === elision, lionise