| petrification |
Process in which organic substances, such as wood and shells, are replaced by silica.
출처: www.inlandlapidary.com/user_area/glossaryP.asp
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| petroleum |
a substance occurring naturally in the earth in sold, liquid, or gaseous state and composed mainly of mixtures of chemical compounds of carbon and hydrogen, with or without other nonmetallic elements such as sulfur, oxygen, and nitrogen.
출처: www.fi.edu/fellows/fellow2/jan99/new/oilvocab.html
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| petrolatum |
Used in creams, it softens and soothes skin. Forms a film to prevent moisture loss.
출처: allindiansite.com/home/beauty/beauty_glossary.html
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| petroleum |
Crude oil or any fraction thereof that is liquid under normal conditions of temperature and pressure. The term includes petroleum-based substances comprising a complex blend of hydrocarbons derived from crude oil through the process of separation, conversion, upgrading, and finishing, such as motor fuel, jet oil, lubricants, petroleum solvents, and used oil.
출처: www.waterquality.de/hydrobio.hw/PTERMS.HTM
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| Petri dish |
shallow, round transparent dish, with a lid, used for growing microbes
출처: www.tallpoppies.net.au/florey/glossary/main-conten...
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