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

Until the experiment was performed in 1887, scientists believed that light waves propagate through a medium that scientists called the luminiferous aether.

From Scientific American • Jul. 27, 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

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

From Nature • Nov. 5, 2019

Anyone with a story to tell and a computer to record can put that story out into the aether.

From The Verge • Jan. 7, 2019

One day we may discover that some of our most cherished forms of knowledge are as obsolete as epicycles, phlogiston, caloric, the electromagnetic aether and, indeed, Newtonian physics.

From "The Invention of Science" by David Wootton