aether

American  

[ee-ther] / ˈi θər /

noun

1. ether.

2. Aether, the ancient Greek personification of the clear upper air of the sky.

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aether British  

/ ˈiːθə /

noun

1. a variant spelling of ether ether ether

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Other Word Forms

• aethereal adjective
• aetheric adjective

Etymology

Origin of aether

First recorded in 1570–80, replacing earlier ether

Example Sentences

Aristotle, for example, thought that heavenly bodies were made of a theoretical form of matter called aether and naturally moved in circles.

From Scientific American • Sep. 5, 2023

With white Legendborn aether in one hand and her Black ancestors’ rootcraft in the other, Bree wrestles with the heavy legacy that granted her King Arthur’s unrivaled strength.

From Seattle Times • Nov. 30, 2022

In its place, Lunenfeld overworks a flimsy metaphor, tenuously mapping the alchemical elements of earth, air, fire, water and aether onto his 11 chapters.

From New York Times • Aug. 11, 2020

For instance, the aether — a theoretical space-filling medium rejected in Einstein’s relativity — is still “anything but empty”.

From Nature • Nov. 5, 2019

But the famous Michelson-Morley experiment demonstrated that such an aether does not exist.

From "Cosmos" by Carl Sagan