[nee-per, ney-] 
| the unit used to express the ratio of two amplitudes as a natural logarithm: equal to 8.68 dB. Abbreviation: Np |
[ney-pee-er or, for 1–3, nuh-peer] | 1. | Sir Charles James, 1782–1853, British general. |
| 2. | Also, Neper. John, 1550–1617, Scottish mathematician: inventor of logarithms. |
| 3. | Robert Cornelis [kawr-nee-lis] , (1st Baron Napier of Magdala ), 1810–90, English field marshal. |
| 4. | former name of Napier-Hastings. |