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rumpf

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rumpf

[roompf]
–noun Physical Chemistry.
kernel (def. 7).

Origin:
< G; see rump

ker⋅nel

[kur-nl] noun, verb, -neled, -nel⋅ing or (especially British) -nelled, -nel⋅ling.
–noun
1. the softer, usually edible part contained in the shell of a nut or the stone of a fruit.
2. the body of a seed within its husk or integuments.
3. a whole seed grain, as of wheat or corn.
4. South Atlantic States. the pit or seed of a peach, cherry, plum, etc.
5. the central or most important part of anything; essence; gist; core: His leadership is the kernel of the organization.
6. Mathematics. the set of elements that a given function from one set to a second set maps into the identity of the second set.
7. Also called rumpf. Physical Chemistry. the remainder of an atom after the valence electrons have been removed.
–verb (used with object)
8. to enclose as a kernel.

Origin:
bef. 1000; ME kirnel, OE cyrnel, dim. of corn seed, corn 1


ker⋅nel⋅less, adjective
ker⋅nel⋅ly, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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Word Origin & History

kernel 
O.E. cyrnel, from P.Gmc. *kurnilo- (cf. M.H.G. kornel, M.Du. cornel), from the root of corn "seed, grain" (see corn) + -el, dim. suffix. Fig. sense of "core or central part of anything" is from 1556.
Online Etymology Dictionary, © 2001 Douglas Harper
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Science Dictionary
kernel   (kûr'nəl)  Pronunciation Key 
  1. A grain or seed, as of a cereal grass, enclosed in a husk.

  2. The inner, usually edible seed of a nut or fruit stone.


The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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