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antiphospholipid syndrome
antiphrasis
antipode
antipodean
Antipodes
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antipope
antiprostaglandin
antiproton
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antiproton
an·ti·pro·ton [ àntee prṓ tòn, àntī prṓ tòn ] (plural an·ti·pro·tons)


noun 
Definition:
 
antiparticle of proton: the antiparticle of a proton. When a proton and an antiproton are brought together, mutual annihilation occurs.
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