aeolipyle

aeolipile

[ee-ol-uh-pahyl]
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.
Also, aeolipyle, eolipile.


Origin:
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

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World English Dictionary
aeolipile (iːˈɒlɪˌpaɪl)
 
n
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
 
[C17: from Latin aeolīpilae balls of Aeolus or aeolīpylae gates of Aeolus]

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