/nee"peuhr, nay"-/ , n. Physics.
the unit used to express the ratio of two amplitudes as a natural logarithm: equal to 8.68 dB. Abbr.: Np Also, napier .
[ 1920-25; after J. NEPER; see NAPIER ]
/nee"peuhr, nay"-/ , n. Physics.
the unit used to express the ratio of two amplitudes as a natural logarithm: equal to 8.68 dB. Abbr.: Np Also, napier .
[ 1920-25; after J. NEPER; see NAPIER ]
Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012