annum

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annum

(ˈænəm)
n
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.annum - (Latin) year; "per annum"
Latin - any dialect of the language of ancient Rome
twelvemonth, year, yr - a period of time containing 365 (or 366) days; "she is 4 years old"; "in the year 1920"
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
This will keep all the future scientists and theoreticians busy for the next megayear or two.
It's been dated at least some 17 megayears ago, give or take a few, and thought to be due to a meteoric impact.
The Siberian Traps event occurred some 250 megayears ago at the boundary between the Permian and Triassic periods separating the Paleozoic era from that of the dinosaurrich Mesozoic.