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Annual vs Triannual - What's the difference?

annual | triannual |

As adjectives the difference between annual and triannual

is that annual is happening once every year while triannual is happening three times each year.

As a noun annual

is an ; a book, periodical, journal, report, comic book, yearbook, etc, which is published serially once a year, which may or may not be in addition to regular weekly or monthly publication.

annual

English

Adjective

(-)
  • Happening once every year.
  • * {{quote-magazine, date=2013-06-29, volume=407, issue=8842, page=29, magazine=(The Economist)
    • , title= Unspontaneous combustion , passage=Since the mid-1980s, when Indonesia first began to clear its bountiful forests on an industrial scale in favour of lucrative palm-oil plantations, “haze” has become an almost annual occurrence in South-East Asia. The cheapest way to clear logged woodland is to burn it, producing an acrid cloud of foul white smoke that, carried by the wind, can cover hundreds, or even thousands, of square miles.}}
  • Of, for, or relating to a whole year, often as a recurring cycle; determined or reckoned by the year; accumulating in the course of a year; performed, executed, or completed over the course of a year. See also circannual.
  • (botany, of a plant) Having a life cycle that is completed in only one growing season; e.g. beans, corn, marigold. See in Wikipedia. Compare biennial, perennial.
  • (entomology) Living or lasting just one season or year, as certain insects or insect colonies.

    • Synonyms

    * yearly

    Derived terms

    * * * * * * * * * *

    Related terms

    () * biennial * perennial

    See also

    * per annum

    Noun

    (en noun)
  • An ; a book, periodical, journal, report, comic book, yearbook, etc., which is published serially once a year, which may or may not be in addition to regular weekly or monthly publication.
    • ''I read the magazine, but I usually don't purchase the annuals .
  • (botany) An ; a plant with a life span of just one growing season; a plant which naturally germinates, flowers and dies in one year. Compare biennial, perennial.
    • I can't wait to plant my annuals in the spring.

    triannual

    English

    Adjective

    (-)
  • Happening three times each year.

    • Usage notes

    * To avoid confusion between "triennial", once every three years, and "triannual", three times in one year, it is often better to substitute a less ambiguous phrase such as "three times a year" or "every four months".

    See also

    * triennial (every three years) which is sometimes confused with triannual (usually every four months). * biennial (every two years). * biannual (twice a year). ** semiannual (also twice a year).