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schlieren method

American  

noun

Physical Chemistry.

  1. a method for detecting regions of differing densities in a clear fluid by photographing a beam of light passed obliquely through it.

Etymology

Origin of schlieren method

First recorded in 1930–35

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.