AEOLIPYLE

Noun

aeolipyle (plural aeolipyles)

Alternative form of aeolipile

Source: Wiktionary


Æ*ol"i*pile, Æ*ol"i*pyle, n. Etym: [L. aeolipilae; Aeolus god of the winds + pila a ball, or Gr. i. e., doorway of Æolus); cf. F. éolipyle.]

Definition: An apparatus consisting chiefly of a closed vessel (as a globe or cylinder) with one or more projecting bent tubes, through which steam is made to pass from the vessel, causing it to revolve. [Written also eolipile.]

Note: Such an apparatus was first described by Hero of Alexandria about 200 years b. c. It has often been called the first steam engine.

Source: Webster’s Unabridged Dictionary 1913 Edition



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Word of the Day

13 June 2025

AIRPLANE

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The expression “coffee break” was first attested in 1952 in glossy magazine advertisements by the Pan-American Coffee Bureau.

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