neper

(ˈneɪpə; ˈniː-)

(Units) a unit expressing the ratio of two quantities, esp amplitudes in telecommunications, equal to the natural logarithm of the ratio of the two quantities. Symbol: Np or N

[C20: named after John Napier; the name was approved in 1928]

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

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References in periodicals archive

Trail a bit southward along the limb, past the large but strongly foreshortened crater Neper, to reach Mare Smythii.

A Nod to Lunar Libration: Every month, the Moon's face wobbles enough to give you a peek at some of its hidden farside

Several of the chapters draw on influential book-length publications their authors have produced in recent years: Jane Stafford's 'Maoriland Reservations' deftly condenses key strands from her and Mark Williams's Maoriland: New Zealand Literature, 1872-1914 (2006); Stuart Murray's chapter on the poetics of distance features various authors (Curnow, Brasch, Bethell, Cresswell and Hyde) discussed in his Neper a Soul at Home: New Zealand Literary Nationalism and the 1930s (1998), and Chris Hilliard's piece on writers and institutions imbricated in the cultural nationalist movement draws on The Bookmen's Dominion: Cultural Life in New Zealand 1920-1950 (2006).

A series of critical vignettes

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