annihilation
[uh-nahy-uh-ley-shuh n]
noun
an act or instance of annihilating, or of completely destroying or defeating someone or something: the brutal annihilation of millions of people.
the state of being annihilated; total destruction; extinction: fear of nuclear annihilation.
Physics.
- Also called pair annihilation.the process in which a particle and antiparticle unite, annihilate each other, and produce one or more photons.Compare positronium.
- the conversion of rest mass into energy in the form of electromagnetic radiation.
RELATED CONTENT
RELATED WORDS
liquidation, eradication, extermination, elimination, extinction, demolition, destruction, decimation, dissolution, obliteration, massacre, ruin, slaughter, erasure, retraction, voidance, invalidation, expunction, abrogation, negation
Nearby words
- annie,
- annie oakley,
- annigoni,
- annihilable,
- annihilate,
- annihilation radiation,
- annihilator,
- anniston,
- anniv.,
- anniversary
Origin of annihilation
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for annihilation
annihilation
noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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Online Etymology Dictionary, © 2010 Douglas Harper