| niche |
a position particularly well suited to the person who occupies it; "he found his niche in the academic world" recess: a small concavity recess: an enclosure that is set back or indented (ecology) the status of an organism within its environment and community (affecting its survival as a species)
출처: wordnet.princeton.edu/perl/webwn
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| nitrification |
the chemical process in which a nitro group is added to an organic compound (or substituted for another group in an organic compound) the oxidation of ammonium compounds in dead organic material into nitrates and nitrites by soil bacteria (making nitrogen available to plants)
출처: wordnet.princeton.edu/perl/webwn
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| Ni |
nickel: a hard malleable ductile silvery metallic element that is resistant to corrosion; used in alloys; occurs in pentlandite and smaltite and garnierite and millerite
출처: wordnet.princeton.edu/perl/webwn
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| nictitation |
blink: a reflex that closes and opens the eyes rapidly
출처: wordnet.princeton.edu/perl/webwn
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| nitramine |
tetryl: a yellow crystalline explosive solid that is used in detonators
출처: wordnet.princeton.edu/perl/webwn
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