| The American Heritage® Dictionary of the English Language: Fourth Edition. 2000. |
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| schlieren |
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| SYLLABICATION: | schlie·ren |
| PRONUNCIATION: |  shlîr  n |
| PLURAL NOUN: | 1. Geology Irregular dark or light streaks in plutonic igneous rock that differ in composition from the principal mass. 2. Regions of a transparent medium, as of a flowing gas, that are visible because their densities are different from that of the bulk of the medium. | | ETYMOLOGY: | German, pl. of Schliere, from dialectal Shliere, streaks, from Middle High German slier, mud, slime, from Old High German sclierrun, pieces, bits.
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| The American Heritage® Dictionary of the English Language, Fourth Edition. Copyright © 2000 by Houghton Mifflin Company. Published by the Houghton Mifflin Company. All rights reserved. |
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