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annual

[an-yoo-uh l]
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adjective
  1. of, for, or pertaining to a year; yearly: annual salary.
  2. occurring or returning once a year: an annual celebration.
  3. Botany. living only one growing season, as beans or corn.
  4. performed or executed during a year: the annual course of the sun.
  5. Entomology. living or lasting but one season or year, as certain insects or colonies of insects.
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noun
  1. Botany. a plant living only one year or season.
  2. a book, report, etc., published annually.
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Origin of annual

1350–1400; < Late Latin annuālis, equivalent to Latin annu(us) yearly (derivative of annus circuit of the sun, year) + -ālis -al1; replacing Middle English annuel < Anglo-French < Latin
Related formsan·nu·al·ly, adverbin·ter·an·nu·al, adjectivein·ter·an·nu·al·ly, adverb
Can be confusedanal annual annulannual perennial
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for annual

annual

adjective
  1. occurring, done, etc, once a year or every year; yearlyan annual income
  2. lasting for a yearan annual subscription
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noun
  1. a plant that completes its life cycle in less than one yearCompare perennial (def. 3), biennial (def. 3)
  2. a book, magazine, etc, published once every year
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Derived Formsannually, adverb

Word Origin

C14: from Late Latin annuālis, from Latin annuus yearly, from annus year
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for annual

adj.

late 14c., from Old French annuel (12c.) or directly from Late Latin annualem (nominative annualis), corresponding to Latin annalis as adjective form of annus "year," from PIE *at-no-, from root *at- "to go," on notion of "period gone through" (cf. Sanskrit atati "goes, wanders," Gothic aþnam (dative plural) "year," Oscan akno- "year, holiday, time of offering"). Used of plants since 1710.

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n.

c.1400, originally "service commemorating the anniversary of a person's death," from annual (adj.). By 1824 as short for annual plant.

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Online Etymology Dictionary, © 2010 Douglas Harper

annual in Science

annual

[ănyōō-əl]
Adjective
  1. Completing a life cycle in one growing season.
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Noun
  1. An annual plant. Annuals germinate, blossom, produce seed, and die in one growing season. They are common in environments with short growing seasons. Most desert plants are annuals, germinating and flowering after rainfall. Many common weeds, wild flowers, garden flowers, and vegetables are annuals. Examples of annuals include tomatoes, corn, wheat, sunflowers, petunias, and zinnias. Compare biennial perennial.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.