| petr- |
In Egypt petr was "the grand interpreter". From ptr, "to show".
출처: www.geocities.com/jayce8565/TwoBabylonsDefinitions...
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| petroleum |
An oily, flammable, liquid solution of yellowish green to black hydrocarbons, which occur naturally in the earth. When distilled, it yields gasoline, kerosene, paraffin, fuel oil, benzene, etc., which are used in fuels, wood preservatives, lubricating oils and asphalt.
출처: www.peakagents.ca/glossary/p7.htm
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| petrify |
To convert into stone or a stony substance.
출처: www.nps.gov/maca/learnhome/cur_p_glo.htm
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| petrification |
A process that replaces living materials (wood or bone) with mineral matter. Organic matter is thus turned to stone.
출처: www.nps.gov/maca/learnhome/cur_p_glo.htm
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| petrosal |
A middle petrosal sinus might be present. The superior petrosal sinus occasionally communicates via an aberrant vein with the superior ophthalmic vein.
출처: www.vh.org/adult/provider/anatomy/AnatomicVariants...
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