Definitions
from The Century Dictionary.
- noun A writing on a rock; a petroglyph.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun Drawing, writing or
inscription onstone , as a painting on acave wall.
Etymologies
from Wiktionary, Creative Commons Attribution/Share-Alike License
petro- + -graph
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Examples
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“diviner,” and the Noguchi petrograph, which have now made, so to speak, hidden things visible to a depth of twenty-five miles, and there too he will find a description of a score of ingenious devices for isolating blocks of deep-lying rock and bringing their desirable ingredients to the surface.
The Shape of Things to Come Herbert George 2006
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