ether
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/ˈiːθər/
🇬🇧
/ˈiːθə(r)/
A colorless, volatile liquid that is used as a solvent and was once used in medicine to put people to sleep during surgeries.
The doctor used ether to anesthetize the patient before the operation.
The space in the sky above the Earth's surface.
Her voice seemed to float up into the ether.
The space around us where radio and electronic signals travel.
The signal was lost and disappeared into the ether.