| pyro- |
or pyr- pref. 1. Fire; heat: pyrotechnic. 2. Relating to the action of fire or heat: pyrography. 3. Fever: pyrogen. 4. Derived from an acid by the loss of a water molecule: pyrosulfuric acid.
출처: www.cem.msu.edu/~cem181h/projects/97/petroleum/cem...
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