biennary

English

From Latin biennium (“a two-year period”) + -ary (“forming adjectives”)

biennary (not comparable)

(uncommon) Synonym of biennial: of or concerning a two-year period; lasting or occurring every two years.
- 1878, W.S.B. Woolhouse & al., "Calendar" in the Encyclopædia Britannica, 9th ed., Vol. IV, p. 668:
  The first expedient adopted to reconcile the lunar and solar years seems to have been the addition of a month of thirty days to every second year. Two lunar years would thus contain 25 months, or 738 days, while two solar years, of 365¼ days each, contain 730½ days. The difference of 7½ days was still too great to escape observation; it was accordingly proposed by Cleostratus of Tenedos, who flourished shortly after the time of Thales, to omit the biennary intercalation every eighth year.

单词	biennary
释义	biennary English Etymology From Latin biennium (“a two-year period”) + -ary (“forming adjectives”) Adjective biennary (not comparable) (uncommon) Synonym of biennial: of or concerning a two-year period; lasting or occurring every two years. 1878, W.S.B. Woolhouse & al., "Calendar" in the Encyclopædia Britannica, 9th ed., Vol. IV, p. 668: The first expedient adopted to reconcile the lunar and solar years seems to have been the addition of a month of thirty days to every second year. Two lunar years would thus contain 25 months, or 738 days, while two solar years, of 365¼ days each, contain 730½ days. The difference of 7½ days was still too great to escape observation; it was accordingly proposed by Cleostratus of Tenedos, who flourished shortly after the time of Thales, to omit the biennary intercalation every eighth year.
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