plerion

/ (ˈplɪərɪən) /

noun

a filled-centre supernova remnant in which radiation is emitted by the centre as well as the shell

QUIZZES

TAKE ROUND 2 OF OUR PSAT VOCABULARY QUIZ!

Here is our second set of teacher-selected PSAT vocabulary words. Do you know the meanings of these terms?
Question 1 of 10
advocate

Word Origin for plerion

from New Latin, from Greek plerome a filling + -ion
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012