| alpha particle |
a positively charged particle that is the nucleus of the helium atom; emitted from natural or radioactive isotopes
출처: wordnet.princeton.edu/perl/webwn
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| alpha |
first in order of importance; "the alpha male in the group of chimpanzees"; "the alpha star in a constellation is the brightest or main star" the 1st letter of the Greek alphabet early testing stage of a software or hardware product; "alpha version" the beginning of a series or sequence; "the Alpha and Omega, the first and the last, the beginning and the end"--Revelations
출처: wordnet.princeton.edu/perl/webwn
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| alpha ray |
alpha radiation: the radiation of alpha particles during radioactive decay
출처: wordnet.princeton.edu/perl/webwn
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| alpha rhythm |
the normal brainwave in the electroencephalogram of a person who is awake but relaxed; occurs with a frequency of 8-12 hertz
출처: wordnet.princeton.edu/perl/webwn
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| alpha wave |
alpha rhythm: the normal brainwave in the electroencephalogram of a person who is awake but relaxed; occurs with a frequency of 8-12 hertz
출처: wordnet.princeton.edu/perl/webwn
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