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isogram

American  
[ahy-suh-gram] / ˈaɪ səˌgræm /

noun

Meteorology, Geography.

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

isogram British  
/ ˈaɪsəʊˌɡræm /

noun

  1. another name for isopleth

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
isogram Scientific  
/ ī′sə-grăm′ /

  1. See isoline

Etymology

Origin of isogram

First recorded in 1885–90; iso- + -gram 1

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.