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helmholtz

   Also found in: Dictionary/thesaurus, Wikipedia, Hutchinson 0.02 sec.
Helmholtz
Baron Hermann Ludwig Ferdinand von . 1821--94, German physiologist, physicist, and mathematician: helped to found the theory of the conservation of energy; invented the ophthalmoscope (1850); and investigated the mechanics of sight and sound

helmholtz [′helm‚hōlts]
(electricity)
A unit of dipole moment per unit area, equal to 1 Debye unit per square angstrom, or approximately 3.335 × 10-10coulomb per meter.


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So it happened that when Bell ran to Ellis as a young enthusiast and told his experiments, Ellis informed him that Helmholtz had done the same things several years before and done them more completely.
 
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