AEOLIPILE
\ˈiːəlˌɪpa͡ɪl], \ˈiːəlˌɪpaɪl], \ˈiː__ə_l_ˌɪ_p_aɪ_l]\
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[L.] A hollow globe mounted so as to be capable of rotation round a diameter, containing water and furnished with two nozzles in opposite directions at right angles to a diameter and at opposite ends of it. When the water is heated, jets of steam come out of the nozzles, and make the sphere turn round the diameter, round which it is free to move. Often spelt Eolipyle, incorrectly.
By Henry Percy Smith
