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Related to Leonids: Perseids, Orionids, Geminids


n. pl. Le·o·nids or Le·on·i·des (lē-ŏn′ĭ-dēz′)
One of the meteors in the showers of meteors that appear to originate in the vicinity of the constellation Leo and recurring annually in mid-November.

[From Latin Leō, Leōn-, Leo; see Leo.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


n, pl Leonids or Leonides (lɪˈɒnɪˌdiːz)
(Astronomy) any member of a meteor shower that is usually insignificant, but more spectacular every 33 years, and occurs annually in mid-November, appearing to radiate from a point in the constellation Leo
[C19: from New Latin Leōnidēs, from leō lion]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˈli ə nɪd)

n., pl. Le•o•nids, Le•on•i•des (liˈɒn ɪˌdiz)
any of a shower of meteors occurring around November 15 and appearing to radiate from a point in the constellation Leo.
[1875–80; < New Latin Leonidēs= Latin Leōn-, s. of Leō Leo1 + -idēs -id1]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
References in classic literature ?
This Superior had been a disciple of the starets Ambrose, who was a disciple of Makarius, who was a disciple of the starets Leonid, who was a disciple of Paussy Velichkovsky.
The Leonids are a fairly modest shower, with around 10-15 meteors per hour, and you could see them in the early hours of Sunday, November 18.
The Leonids meteor shower, one of the most active meteor showers of the year, will be visible in most parts of the country in the late hours of November 21 until dawn of November 22.
The moon will only start to show its face briefly around sunset, meaning there will be excellent viewing conditions for watching the Leonids," Al Hariri said.
Never again has such a torrent of Leonids appeared.
Leonids themselves come from a comet named&nbsp;55P/Tempel-Tuttle, which has a 33-year orbital period and sheds dust when it nears the Sun.
Active throughout early November, the Leonids' rate of activity peaks on the night of November 17 and into November 18, with potential for up to 15 meteors to be visible per hour.
David Moore, chairman of Astronomy Ireland, said: "The moon will be out of the way later on in the evening so it is definitely worth going outside to try to see some bright Leonids.
The Leonids meteors recur each year when Earth passes through the comet's trail, and chunks of debris burn up in our planet's atmosphere.