isogram

/ahy-suh-gram/US // ˈaɪ səˌgræm //UK // (ˈaɪsəʊˌɡræm) //

等值线图,等值线,等高线,等距图

Definitions

n.名词 noun

1
Meteorology, Geography.
- : a line representing equality with respect to a given variable, used to relate points on maps, charts, etc.