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n. pl. bi·en·ni·ums or bi·en·ni·a (-ĕn′ē-ə)
A two-year period.

[Latin : bi-, two; see bi-1 + annus, year; see at- in Indo-European roots.]


a period of two years


(baɪˈɛn i əm)

n., pl. -en•ni•ums, -en•ni•a (-ˈɛn i ə)
a period of two years.
[1895–1900; < Latin]
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References in periodicals archive ?
They had differed on when to hold the election, and whether the tax relief should be instituted for both years of the biennium or just the second year.
The last time faster-than-expected growth in revenues triggered tax rebates under Oregon's kicker law was at the end of the 2005-07 biennium, just before the Great Recession pushed the state and national economies into a pit.
Contract notice: Service waste transfer biennium 2014-2016.
The UN SCE TDG works on a biennium schedule: four meetings over the course of two years.
Damitha de Zoysa ,Secretary of the Ministry of Fisheries and Aquatic Resources Development was nominated and elected unanimously as Vice- Chair for the next biennium at the Ninth Session of the Compliance Committee (CoC 09) of the Sixteenth Session of the Indian Ocean Tuna Commission (IOTC) held in Freemantle, Australia from 18 -20 th, April , 2012.
Djangaracheva will present the results of the Biennium and the most interesting works of the event.
The Pope and Young Club's 26th Biennium Convention will kick off in Denver, Colorado, on April 23, 2009, and run through April 25.
Prior to the 2008-09 biennium, the program focused on provision of college awareness and the 24 matching grants awarded for the first year of the 2008-2009 biennium supported program activities for 2,954 students in grades six through 12 and 131 postsecondary students.
For example, if your ARRT biennium ends on May 31, the ASRT will transfer your credits daily from April 1 until June 30.
The LWVUS invites all members to join fellow Leaguers from 50 states, the District of Columbia, the Virgin Islands, Puerto Rico and Hong Kong to celebrate 86 remarkable years of League achievements and chart the course for the next biennium of League programs.
The Board members and chairs all served two-year terms during the 2001-2003 biennium.
PIT collections have been volatile, falling 12% in the 2001-2003 biennium and rising by nearly 17% in the 2003-2005 biennium and 23% in the 2005-2007 biennium.