| periodic breathing |
abnormal respiration in which periods of shallow and deep breathing alternate
출처: wordnet.princeton.edu/perl/webwn
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| periodic law |
(chemistry) the principle that chemical properties of the elements are periodic functions of their atomic numbers
출처: wordnet.princeton.edu/perl/webwn
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| periodic table |
a tabular arrangement of the chemical elements according to atomic number as based on the periodic law
출처: wordnet.princeton.edu/perl/webwn
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| periodicity |
cyclicity: the quality of recurring at regular intervals
출처: wordnet.princeton.edu/perl/webwn
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| periodontal |
periodontic: of or relating to or involving or practicing periodontics; "periodontal disease"
출처: wordnet.princeton.edu/perl/webwn
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