English

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Etymology

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    From semi- +‎ year.

    Noun

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    semiyear (plural semiyears)

    1. (rare) Half of a year; a period of six months.
      • 1984, Damodar N. Gujarati, “[The Effects of Regulation on Disclosure of Information] The Benston Study”, in Government and Business, New York, N.Y. []: McGraw-Hill Book Company, →ISBN, part 3 (Economic Regulation), section 14 (The SEC and Regulation of the Securities Markets), footnote 23, page 366:
        The 1934 act, as amended in 1964, requires most corporations with 500 or more stockholders and $1 million in assets to file these reports with the SEC: 10K (the annual report) to be filed within 120 days of the close of the fiscal year, 9K (the semiannual report) to be filed within 45 days of the end of the semiyear, and 8K (the current report) to be filed after important happening(s), for example, changes in company's capital stock, election of new officers, etc.
      • 2000, Fabián Lacret-Subirat, “Interest Problems”, in Lacret HS-Math Self-Tutoring (Solving Word-Problems), [Lacret Publishing Company], →ISBN, page 47, column 2:
        First step: Find the interest (I1) earned at the end of the first semiyear, 6 months.
      • 2014 March 31, Tom Gardner, “Daylight savings date identification over the net”, in comp.arch.embedded[1] (Usenet):
        Sure, but that is not everyday (or perhaps every semiyear!) experience for the "man on the Clapham omnibus", whereas 23/24/25 is (except '68-'70 in the UK!).