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emagram

American  
[em-uh-gram] / ˈɛm əˌgræm /

noun

Meteorology.

  1. a thermodynamic chart indicating temperature as the abscissa on a linear scale and pressure as the ordinate on a logarithmic scale.

Etymology

Origin of emagram

em + (di)agram

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.