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thermal reactor
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thermion
therm·i·on
[
thúr m ən
]
(
plural
therm·i·ons
)
noun
Definition:
positive ion or electron:
a positive ion or electron given off by a very hot material such as a hot cathode
therm·i·on·ic
[
thùrmee ónnik
]
adjective
Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
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