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2017 Word of the Year

aeolipile

or aeolipyle, eolipile

[ee-ol-uh-pahyl] /iˈɒl əˌpaɪl/
noun
1.
a round vessel caused to rotate by the force of tangentially escaping steam: an early example of jet propulsion.
2.
a device for injecting the vapors of heated alcohol into a laboratory furnace.
Origin of aeolipile
1650-1660
1650-60; < Latin aeolīpilae balls of Aeolus, alteration of aeolīpylae gates of Aeolus, equivalent to Aeolī (genitive singular of Aeolus) + pylae, plural of pyla < Greek pýlē gate
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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Examples from the Web for aeolipile
Historical Examples
  • Some late authors have discovered the extraordinary use to which the frauds of the heathen priesthood applied the aeolipile, viz.

  • The Verbiest model was for a four-wheeled carriage, on which an aeolipile was mounted with a pan of burning coals beneath it.

    Automobile Biographies

    Lyman Horace Weeks
  • Another orifice in the aeolipile was fitted with a reed, so that the steam going through it imitated the song of a bird.

    Automobile Biographies

    Lyman Horace Weeks
British Dictionary definitions for aeolipile

aeolipile

/iːˈɒlɪˌpaɪl/
noun
1.
a device illustrating the reactive forces of a gas jet: usually a spherical vessel mounted so as to rotate and equipped with angled exit pipes from which steam within it escapes
Word Origin
C17: from Latin aeolīpilae balls of Aeolus or aeolīpylae gates of Aeolus
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
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