deciduous

adjective
de·cid·u·ous | \di-ˈsi-jə-wəs, -jü-əs\

Definition of deciduous 

1 biology : falling off or shed seasonally or at a certain stage of development in the life cycle deciduous leaves deciduous scales

2 biology

a : having deciduous parts maples, birches, and other deciduous trees deciduous dentition

b : having the dominant plants deciduous a deciduous forest

3 : ephemeral There is much that is deciduous in books …— J. R. Lowell

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Other Words from deciduous

deciduousness noun

Examples of deciduous in a Sentence

the bare branches of a deciduous tree in winter he chose not to fret about the deciduous discomforts of his existence

Recent Examples on the Web

Unlike the native Southern magnolia (Magnolia grandiflora), the Japanese magnolia is deciduous and drops its leaves in winter. NOLA.com, "Japanese magnolias: How to choose, plant and care for these spring-flowering beauties," 3 Mar. 2018 Images of trees in the four seasons’ deciduous stages lie between the points, and a line of homes encircles the compass’ center. Sven Berg, The Seattle Times, "Heat, water and trucks are destroying a Boise mosaic," 9 July 2018 Most of the stops are in open country, but a few give opportunities to record birds typical of moist deciduous woodlands and stream-side habitat. Taylor Piephoff, charlotteobserver, "Breeding Bird Survey yields 56 species over 25-mile route," 20 June 2018 Leaves of deciduous trees were fully unfolded, gorgeous neon green and not yet stenciled by insects. Ned Rozell, Anchorage Daily News, "What it’s like to run circles for 24 hours around the land of no night," 9 June 2018 Rzeznikiewicz brought his group to a variety of different locations, including areas with conifers, open fields, marshes, water bodies, streams, shrub lands, mountain laurel thickets, and deciduous forests. Denise Coffey, Courant Community, "Connecticut Audubon Hosts Migration Madness Weekend," 29 May 2018 As vegetation changed from evergreen to deciduous, the fungus found itself in a pickle. Matt Simon, WIRED, "Climate Change Made Zombie Ants Even More Cunning," 29 May 2018 Although parts of deciduous forests in the region have died due to arid conditions and heat waves, Piovesan and his colleagues found that the old pine has thrived. National Geographic, "Oldest European Tree Found—And It's Having a Growth Spurt," 25 May 2018 In the last two years, those caterpillars have attacked black and scarlet oak, birch, beech, and other deciduous trees. Denise Coffey, Courant Community, "Salvaging White Oaks Lost To Gypsy Moth Devastation," 21 May 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'deciduous.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of deciduous

1657, in the meaning defined at sense 1

History and Etymology for deciduous

Latin deciduus, from decidere to fall off, from de- + cadere to fall — more at chance

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Statistics for deciduous

Last Updated

3 Oct 2018

Look-up Popularity

Time Traveler for deciduous

The first known use of deciduous was in 1657

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More Definitions for deciduous

deciduous

adjective

English Language Learners Definition of deciduous

of a tree, bush, etc. : having leaves that fall off every year

deciduous

adjective
de·cid·u·ous | \di-ˈsi-jə-wəs \

Kids Definition of deciduous

: made up of or having a part that falls off at the end of a period of growth and use deciduous trees

deciduous

adjective
de·cid·u·ous | \di-ˈsij-ə-wəs \

Medical Definition of deciduous 

1 : falling off or shed at a certain stage in the life cycle

2 : having deciduous parts a deciduous dentition

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More from Merriam-Webster on deciduous

Thesaurus: All synonyms and antonyms for deciduous

Spanish Central: Translation of deciduous

Nglish: Translation of deciduous for Spanish Speakers

Comments on deciduous

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