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atomic mass unit
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   Also found in: Dictionary/thesaurus, Medical, Acronyms, Encyclopedia, Wikipedia 0.03 sec.

atomic mass unit

Unit of mass that is used to measure the relative mass of atoms and molecules. It is equal to one-twelfth of the mass of a carbon-12 atom, which is approximately the mass of a proton or 1.66 × 10−27 kg. The relative atomic mass of an atom has no units; thus oxygen-16 has an atomic mass of 16 daltons but a relative atomic mass of 16.



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"In 1959, under General-Secretary Nikita Khrushchev's self-sufficiency plan," Schaar wrote, "the Russians diverted the courses of the Amu Syr and Amu Darya rivers, the Aral Sea's two main feeders, to irrigate newly planted cotton fields in Uzbekistan.
Though Monaghan has said that AMU will satisfy what he has long seen as a need for "a school with more spirituality," many gay Catholics familiar with his history question his motives.
5; and all other academic policies must be adhered to according to the AMU Student Handbook.
 
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