Dictionary

deciduous

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

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

Full Definition of DECIDUOUS

1
:  falling off or shed seasonally or at a certain stage of development in the life cycle <deciduous leaves> <deciduous scales>
2
a :  having deciduous parts <maples, birches, and other deciduous trees>
b :  having the dominant plants deciduous <a deciduous forest>
3
:  ephemeral
de·cid·u·ous·ness noun
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Origin of DECIDUOUS

Latin deciduus, from decidere to fall off, from de- + cadere to fall — more at chance
First Known Use: 1688

Other Botany Terms

annual, burgeon, chloroplast, nomenclature, succulent, sylvan, xylem
DECIDUOUSNESS Defined for Kids

deciduous

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

Definition of DECIDUOUS for Kids

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

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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