Biannual

//bʌɪˈanjuːəl// adj, noun

Definitions

Adjective
  1. 1
    Occurring twice a year; semiannual. not-comparable

    "The annual values were disaggregated into biannual values. Then the biannual values were disaggregated into quarterly values. Finally the quarterly values were disaggregated into the desired monthly values."

  2. 2
    Occurring once every two years; biennial. not-comparable, proscribed

    "The relative share of agriculture in GDP of the West Bank (calculated on the basis of fixed 1986 prices, and as a two-year average to deal with the major biannual fluctuations in olive production) declined[…]."

Adjective
  1. 1
    occurring or payable twice each year wordnet
Noun
  1. 1
    Something occurring twice each year.

    "It was a biannual from April 1970 to October 1977 and has been a quarterly since fall 1978."

Etymology

Etymology 1

From bi- + annual.

Etymology 2

From bi- + annual.

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