antiprotonic helium
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English
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English
Wikipedia
has an article on:
antiprotonic helium
Wikipedia
Noun
[
edit
]
antiprotonic
helium
(
uncountable
)
A form of
helium
where one of the electrons is replaced by an
antiproton
.
Categories
:
English lemmas
English nouns
English uncountable nouns
English multiword terms
en:Exotic atoms
en:Antimatter
en:Helium
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