| first law of thermodynamics |
conservation of energy: the fundamental principle of physics that the total energy of an isolated system is constant despite internal changes
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| first |
the first element in a countable series; "the first of the month" indicating the beginning unit in a series the first or highest in an ordering or series; "He wanted to be the first" inaugural: serving to set in motion; "the magazine's inaugural issue"; "the initiative phase in the negotiations"; "an initiatory step toward a treaty"; "his first (or maiden) speech in Congress"; "the liner's maiden voyage" beginning(a): serving to begin; "the beginning canto of the poem"; "the first verse" before anything else; "first we must consider the garter snake" beginning: the time at which something is supposed to begin; "they got an early start"; "she knew from the get-go that he was the man for her" the initial time; "when Felix first saw a garter snake" first base: the fielding position of the player on a baseball team who is stationed at first of the bases in the infield (counting counterclockwise from home plate) ranking above all others; "was first in her class"; "the foremost figure among marine artists"; "the top graduate" highest in pitch or chief among parts or voices or instruments or orchestra sections; "first soprano"; "the first violin section"; "played first horn" before another in time, space, or importance; "I was here first"; "let's do this job first" an honours degree of the highest class being the gear producing the lowest drive speed; "use first gear on steep hills" foremost: prominently forward; "he put his best foot foremost" first gear: the lowest forward gear ratio in the gear box of a motor vehicle; used to start a car moving
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| first cranial nerve |
olfactory nerve: a collective term for numerous olfactory filaments in the nasal mucosa
출처: wordnet.princeton.edu/perl/webwn
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| first-degree burn |
burn causing redness of the skin surface
출처: wordnet.princeton.edu/perl/webwn
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| first aid |
emergency care given before regular medical aid can be obtained
출처: wordnet.princeton.edu/perl/webwn
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