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per annum

American  
[per an-uhm] / pər ˈæn əm /

adverb

  1. by the year; yearly.

per annum British  
/ pər ˈænəm /

adverb

  1. every year or by the year

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of per annum

Borrowed into English from Latin around 1595–1605

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Per annum is a latin phrase, for the year, a year; and the annum is the year, round or period of time, from which it was corrupted gradually into its present shape.

From Lectures on Language As Particularly Connected with English Grammar. by Balch, William Stevens

Omne circa petusum sertum gero viridem Per annum circa petasum et unum diem plus.

From The Bon Gaultier Ballads by Doyle, Richard

Per annum we'll have here two thousand souls aboard— Think not I dare to justify myself before the Lord, But—average fifteen hunder' souls safe-borne fra' port to port— I am o' service to my kind.

From The Seven Seas by Kipling, Rudyard

Three thousand pounds Per annum for your private charges! 

From The Hunchback by Morley, Henry

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.