| periodontal disease |
Inflammation of the gums and surrounding bone and soft tissues.
출처: www.beautysurg.com/resources/glossary_p.html
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|---|---|
| periodic breathing |
Clusters of breaths separated by intervals of apnea (no breathing) or near-apnea. Newborns may normally have a mild variation of this.
출처: www.providence.org/alaska/tchap/glossary/P.htm
|
| periodic table |
A chart where all elements are organized into periods and groups according to their properties.
출처: www.mdk12.org/instruction/curriculum/science/gloss...
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| period |
The fundamental unit in the hierarchy of time units; a part of geologic time during which a particular sequence of rocks designated as a system was deposited. Units of geological time that are the major subdivisions of Eras.
출처: www.emc.maricopa.edu/faculty/farabee/BIOBK/BioBook...
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| periodic table |
The arrangement, by atomic number, of elements into groups with similar chemical properties.
출처: www.everyscience.com/Chemistry/Glossary/P.php
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