neper
(UK, slang, dated) A schoolboy who goes in for cricket or football etc. in preference to rowing.
plural of Arnell
(electronics) A non-SI unit of the attenuation (or sometimes gain) of field and power quantities such as electronic signals; the natural logarithm of a ratio, with 1 Np (a ratio of 2.718:1) being equivalent to 8.686 dB.
(music) A little flute or flageolet, especially that which is used to teach birds.
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