Phrase guide
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
Sound
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noun
A thematic map in which the distribution of some property is shown using different colours.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Synonyms: choropleth, chloropleth, chloropleth map
Antonyms: none provided
noun
a map that uses graded differences in shading or color or the placing of symbols inside defined areas on the map in order to indicate the average values of some property or quantity in those areas
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
Broader terms: map
History
From Ancient Greek χώρα (khṓra, “location”) + πλῆθος (plêthos, “a great number”) + English map. First proposed in 1938 by American geographer John Kirtland Wright to mean "quantity in area," although maps of the type have been used since the early 19th century.
