| Systeme International d'Unites |
a complete metric system of units of measurement for scientists; fundamental quantities are length (meter) and mass (kilogram) and time (second) and electric current (ampere) and temperature (kelvin) and amount of matter (mole) and luminous intensity (candela); "Today the United States is the only country in the world not totally committed to the Systeme International d'Unites"
출처: wordnet.princeton.edu/perl/webwn
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| synchrony |
synchronism: the relation that exists when things occur at the same time; "the drug produces an increased synchrony of the brain waves"
출처: wordnet.princeton.edu/perl/webwn
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| syzygy |
the straight line configuration of 3 celestial bodies (as the sun and earth and moon) in a gravitational system
출처: wordnet.princeton.edu/perl/webwn
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| synchrotron |
cyclotron in which the electric field is maintained at a constant frequency
출처: wordnet.princeton.edu/perl/webwn
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| symbiosis |
the relation between two different species of organisms that are interdependent; each gains benefits from the other
출처: wordnet.princeton.edu/perl/webwn
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