alder

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noun al·der \ˈȯl-dər\

Definition of alder

  1. :  any of a genus (Alnus) of toothed-leaved trees or shrubs of the birch family that have catkins which become woody, that typically grow in cool moist ground, and that have wood used especially in turnery; also :  its wood

Origin and Etymology of alder

Middle English, from Old English alor; akin to Old High German elira alder, Latin alnus


First Known Use: 14th century


Alder

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biographical name Al·der \ˈäl-dər\

Definition of Alder

  1. Kurt 1902–1958 German chemist


ALDER Defined for English Language Learners

alder

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noun al·der \ˈȯl-dər\

Definition of alder for English Language Learners

  • : a type of tree or shrub that grows in wet ground in some northern countries


ALDER Defined for Kids

alder

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noun al·der \ˈȯl-dər\

Definition of alder for Students

  1. :  a tree or shrub related to the birches that has toothed leaves and grows in moist soil



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