Meaning of ETHER in English

/ ˈiːθə(r); NAmE / noun [ U ]


a clear liquid made from alcohol, used in industry as a solvent and, in the past, in medicine to make people unconscious before an operation


the ether ( old use or literary ) the upper part of the sky :

Her words disappeared into the ether.


the ether the air, when it is thought of as the place in which radio or electronic communication takes place



late Middle English : from Old French , or via Latin from Greek aithēr upper air, from the base of aithein burn, shine. Originally the word denoted a substance believed to occupy space beyond the sphere of the moon. Sense 1 arose in the mid 18th cent.

Oxford Advanced Learner's English Dictionary.      Оксфордский английский словарь для изучающик язык на продвинутом уровне.