choropleth

British  

/ ˈkɔːrəˌplɛθ /

noun

1. 1. a symbol or marked and bounded area on a map denoting the distribution of some property

   2. ( as modifier )

      a choropleth map

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Etymology

Origin of choropleth

C20: from Gk khōra place + plēthos multitude

Example Sentences

Amid the mask mandates and choropleth hospitalization maps, we settled into something we’d never had: a life together.

From New York Times

A choropleth map of the area might show that there was a cluster of cholera cases, but it might not, depending on where the boundaries are drawn.

From The Guardian

They created a choropleth map of the results, using a location quotient whereby shading indicates the volume of followers relative to the total number of Twitter users in a given country.

From The Guardian

It’s a good counterpoint to the usual choropleth political-affiliation map in which little islands of Democrats float among a sea of low-density Republicans.

From Forbes