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noun
a volcanic glass similar in composition to granite, usually dark but transparent in thin pieces, and having a good conchoidal fracture.
Origin:
1350–1400; < Latin Obsidiānus, printer's error for Obsiānus pertaining to Obsius, the discoverer (according to Pliny) of a similar mineral in Ethiopia; replacing Middle English obsianus < Latin; see -an
1350–1400; < Latin Obsidiānus, printer's error for Obsiānus pertaining to Obsius, the discoverer (according to Pliny) of a similar mineral in Ethiopia; replacing Middle English obsianus < Latin; see -an
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Based on the Random House Dictionary, © Random House, Inc. 2012.
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Obsidian
is always a great word to know.
So is callithumpian. Does it mean:
| a stew of meat, vegetables, potatoes, etc. |
| a children's mummer's parade, as on the Fourth of July, with prizes for the best costumes. |
Example Sentences
- How many times did obsidian change hands on its way to the.
- Modern scalpels sometimes use obsidian in place of steel.
- You're always cogent, but that one was honed to obsidian sharpness.
Collins
World English Dictionary
Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Etymonline
Word Origin & History
obsidian
1656, from L. obsidianus, misprint of obsianus (lapis) "(stone) of Obsius," a Roman alleged by Pliny to have found this rock in Ethiopia.
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Science Dictionary
obsidian  (ŏb-sĭd'ē-ən) Pronunciation Key
A shiny, usually black, volcanic glass. Obsidian forms above ground from lava that is similar in composition to the magma from which granite forms underground, but cools so quickly that minerals do not have a chance to form within it. |
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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