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annihilation
(redirected from Annihiliation)

    Also found in: Dictionary/thesaurus, Legal, Encyclopedia, Wikipedia 0.01 sec.
annihilation
[ənī′əlā′shən]
the total transformation of matter into energy, as when an antimatter positron collides with an electron. Two photons are created, each with an energy equaling the mass of the individual particles at rest.


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On the darker side were persisting crises--poverty, hunger, debt, inequities among individuals and nations, and the spectre of nuclear annihiliation.
The nations speak: general debate, 1985 by UN Chronicle
On the other hand, if there is at least one stable shadow particle that has mass, does not decay and avoids annihiliation, it could be that relict shadow matter contributes a good deal to the present gravitational dynamics of the universe.
Shadow matter by Thomsen, Dietrick E. / Science News
 
 
 
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