Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun A hollow, usually spheroidal rock with crystals lining the inside wall.
from The Century Dictionary.
- noun A concretionary stone or pebble, hollow inside, and often having the walls of the cavity lined with crystals.
from the GNU version of the Collaborative International Dictionary of English.
- noun A nodule of stone, containing a cavity, lined with crystals or mineral matter.
- noun The cavity in such a nodule.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun A
nodule ofstone having acavity lined withmineral orcrystal matter on the insidewall .
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun (mineralogy) a hollow rock or nodule with the cavity usually lined with crystals
Etymologies
from The American Heritage® Dictionary of the English Language, 4th Edition
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Examples
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Of these strange noises there are many explanations, the most plausible being that they are caused by the explosion of the species of stone known as the geode, fragments of which are frequently found among the mountains.
First Across the Continent; The Story of The Exploring Expedition of Lewis and Clark in 1804-5-6 1805
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The geode has been a fairly open platform in the past – designed a STB around it in 2000 and had FreeBSD/linux ported to it fairly easily.
Ballmer, AMD and Me 2004
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The geode is a spherical and apparently solid stone, but when broken is found to be hollow and coated with crystals.
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The geode is a spherical and apparently solid stone, but when broken is found to be hollow and coated with crystals.
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Even worse, this move means Allie will be leaving behind her best friend, her "geode" collection and the only school she's ever known.
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The overall effect is, in the words of Richard Fisher, an Arizona-based photographer and adventurer, like walking into an enormous geode.
Did you know? Chihuahua caves house the world's largest crystals 2009
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So yes, the Little Bird and I went outside and smashed that old geode.
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And watching it, I was reminded that I was actually given a geode years and years ago.
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The overall effect is, in the words of Richard Fisher, an Arizona-based photographer and adventurer, like walking into an enormous geode.
Did you know? Chihuahua caves house the world's largest crystals 2009
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Even armed with the name of such a thing — a geode — it seemed impossible that there should be another one out there, let alone be affordable.
A New Yorker Is Born David Rakoff 2010
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