Definition, Meaning & Synonyms

aether

noun

ˈiːθər

Definition

Aether is a classical element often associated with the heavens and space, previously thought to fill the universe above the terrestrial sphere.

Examples

Aether was believed to be the fifth element, alongside earth, water, air, and fire.
In ancient mythology, gods were said to dwell in the aether.
The notion of aether changed with the development of modern physics, leading to different interpretations.

Meaning

It refers to the upper regions of space; in ancient and medieval cosmology, it was considered a substance that made up the stars and planets, as well as what filled the voids of the universe.