Definition of debye in English:

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Pronunciation: /dəˈbʌɪ/
(also debye unit)


A unit used to express electric dipole moments of molecules. One debye is equal to 3.336 × 10−30 coulomb metre.
Example sentences
  • The unit assigned to dipole moments is the debye.
  • Similarly, the dipole moment of methanol, another extremely polar substance, is only 2.9 debyes.
  • A dipole moment of less than or equal to 1 debyes is preferred.


Early 20th century: named after P. J. Debye (see Debye, Peter).

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