k alder

Alder

[ahl-der; German ahl-duhr]
noun
Kurt [kurt; German koort] , 1902–58, German chemist: Nobel Prize 1950.
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World English Dictionary
alder (ˈɔːldə)
 
n
1.  any N temperate betulaceous shrub or tree of the genus Alnus, having toothed leaves and conelike fruits. The bark is used in dyeing and tanning and the wood for bridges, etc because it resists underwater rot
2.  any of several similar trees or shrubs
 
[Old English alor; related to Old High German elira, Latin alnus]

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Etymonline
Word Origin & History

alder
tree related to the birch, O.E. alor (with intrusive -d- added 14c.; the historical form aller survived until 18c. in literary Eng. and persists in dialects, e.g. Lancashire owler, partly from O.N.), from P.Gmc. *aliso (cf. O.N. ölr, Dan. elle, Swed. al, Du. els, Ger. erle), from the ancient PIE
name of the tree (cf. Rus. olicha, Pol. olcha, L. alnus, Lith. alksnis).
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary

Alder Al·der (äl'dər), Kurt. 1902-1958.

German chemist. He shared a 1950 Nobel Prize for discoveries concerning the structure of organic matter.

The American Heritage® Stedman's Medical Dictionary
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