aeolipile


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ae·ol·i·pile

 (ē-ŏl′ə-pīl′)
n.
A device containing a usually spherical chamber or container, in which steam is heated and ejected through one or more narrow tubes to create propulsion or torque.

[French éolipyle, from Latin aeolipila : Aeolus, god of the winds; see Aeolus + pila, ball; akin to pilus, hair (Roman leather balls being stuffed with hair).]

aeolipile

or

aeolipyle

n
(General Physics) 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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References in periodicals archive ?
AMONGST some of my more unusual possessions is a working model of an aeolipile or Hero engine.
uk 3 SPIN ME ROUND A fascinating example of early engineering first seen in Roman Egypt, this steam-powered aeolipile works by the expulsion of steam through nozzles, generating thrust according to the rocket principle and Newton's Second Law of Motion.
But long before then, around the year 50, the Greek inventor Hero created a steam turbine called an aeolipile.