in reference to popularity ratings of TV and radio programs, 1951, named for U.S. market researcher Arthur Clarke Nielsen (1897-1980), founder of A.C. Nielsen Co., which evaluates viewership based on samplings of receiving sets.
nidicolous
nidification
nidorous
nidus
niece
Nielsen
Nietzschean
nieve
Niflheim
nifty
nig
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