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词汇 plerion
释义

Definition of plerion in English:

plerion

noun ˈplɪərɪənˈplɪərɪɒn
Astronomy

  • A supernova remnant of a relatively short-lived type, characterized by a flat radio spectrum and by radio emission which is not confined to an outer shell but originates in all parts of the remnant's volume.

Origin

1970s. From ancient Greek πλήρης full + -ιον, suffix forming nouns.

Definition of plerion in US English:

plerion

noun
Astronomy

  • A supernova remnant of a relatively short-lived type, characterized by a flat radio spectrum and by radio emission which is not confined to an outer shell but originates in all parts of the remnant's volume.

Origin

1970s. From ancient Greek πλήρης full + -ιον, suffix forming nouns.
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