plerionn.

Brit.

/ˈplɪərɪən/,

/ˈplɪərɪɒn/, U.S.

/ˈplɪriˌɑn/

Origin: A borrowing from Greek. Etymons: Greek πλήρης, -ιον.

Etymology: < ancient Greek πλήρης full (see plereme n.) + -ιον, suffix forming nouns (compare -y suffix⁴). Compare quot. 1978 at main sense.

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.

ΘΚΠ

the world > the universe > star > kind of star > by light > [noun] > nova > remnant

plerion1978

1978 K. W. Weiler in Mem. Soc. Astron. Italiana 159 546 Because it is cumbersome and somewhat of a misnomer to refer to this class of supernova remnants as Crab-like or filled-center, we would like to suggest the new name of plerion to identify the group.

1984 Astrophysical Jrnl. 282 161/1 A smaller number of SNRs are filled-center remnants, or Crab Nebula-like remnants after the best known member of the category (also called ‘plerions’ or ‘plethoric’ remnants).

1999 Proc. National Acad. Sci. U.S.A. 96 5352/1 A strong relativistic wind emanating from the neutron star (as detected in radio wavelengths through a compact plerion).

Derivatives

pleriˈonic adj. of the nature of a plerion.

ΘΚΠ

the world > the universe > star > kind of star > by light > [adjective] > nova > remnant

plerionic1979

1979 D. Clark Superstars iv. 54 The number of these ‘plerionic’ remnants—so-called from the Greek word meaning ‘filled centre’—is difficult to estimate, since they tend to mimic ionized hydrogen regions in some of their properties.

1999 Nature 21 May 236 Thus, unless G 10.0–0.3 is not a plerionic SNR, the conclusion that SGR1806–20 is a magnetar seems unavoidable.

This entry has been updated (OED Third Edition, September 2006; most recently modified version published online March 2022).

单词	plerion
释义	plerionn. Brit. /ˈplɪərɪən/, /ˈplɪərɪɒn/, U.S. /ˈplɪriˌɑn/ Origin: A borrowing from Greek. Etymons: Greek πλήρης, -ιον. Etymology: < ancient Greek πλήρης full (see plereme n.) + -ιον, suffix forming nouns (compare -y suffix⁴). Compare quot. 1978 at main sense. 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. ΘΚΠ the world > the universe > star > kind of star > by light > [noun] > nova > remnant plerion1978 1978 K. W. Weiler in Mem. Soc. Astron. Italiana 159 546 Because it is cumbersome and somewhat of a misnomer to refer to this class of supernova remnants as Crab-like or filled-center, we would like to suggest the new name of plerion to identify the group. 1984 Astrophysical Jrnl. 282 161/1 A smaller number of SNRs are filled-center remnants, or Crab Nebula-like remnants after the best known member of the category (also called ‘plerions’ or ‘plethoric’ remnants). 1999 Proc. National Acad. Sci. U.S.A. 96 5352/1 A strong relativistic wind emanating from the neutron star (as detected in radio wavelengths through a compact plerion). Derivatives pleriˈonic adj. of the nature of a plerion. ΘΚΠ the world > the universe > star > kind of star > by light > [adjective] > nova > remnant plerionic1979 1979 D. Clark Superstars iv. 54 The number of these ‘plerionic’ remnants—so-called from the Greek word meaning ‘filled centre’—is difficult to estimate, since they tend to mimic ionized hydrogen regions in some of their properties. 1999 Nature 21 May 236 Thus, unless G 10.0–0.3 is not a plerionic SNR, the conclusion that SGR1806–20 is a magnetar seems unavoidable. This entry has been updated (OED Third Edition, September 2006; most recently modified version published online March 2022). < n.1978
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