annum
See also: annûm
English
Etymology
From Latin per annum (“yearly”), from annus (“year”).
Noun
annum (plural annums)
- Synonym of year, particularly
- (uncommon) A one-year period, particularly (finance) a fiscal year or (sciences) a Julian year of exactly 365.25 days.
- Coordinate terms: biennium, triennium, quadrennium, quinquennium, sexennium, septennium, octennium, novennium, decennium, vicennium, tricennium, centennium, quincentennium, millennium, decamillennium, centimillennium, millionennium
- (uncommon, science fiction) A "year" determined by the revolution of an extraterrestrial planet.
- (uncommon) A one-year period, particularly (finance) a fiscal year or (sciences) a Julian year of exactly 365.25 days.
Usage notes
Most frequently used in the set phrase per annum or compounds used in scientific dating.
Alternative forms
Derived terms
Anagrams
Latin
Noun
annum m
- accusative singular of annus (“year”)