Ethereal vs. Aether — What's the Difference?

Extremely delicate and light in a way that seems not to be of this world

The poetic personification of the clear upper air breathed by the Olympians.

(of a solution) having diethyl ether as a solvent

Alternative spelling of ether

Extremely light or delicate

See Ether.

Of the celestial spheres; heavenly.

Personification of the sky or upper air breathed by the Olympians; son of Erebus and Night or of Chaos and Darkness

Spiritual or otherworldly.

A medium that was once supposed to fill all space and to support the propagation of electromagnetic waves

(Chemistry) Of or relating to ether.

Pertaining to the (real or hypothetical) upper, purer air, or to the higher regions beyond the earth or beyond the atmosphere.

Pertaining to the immaterial realm, as symbolically represented by, or (in earlier epochs) conflated with, such atmospheric and extra-atmospheric concepts.

Consisting of ether; hence, exceedingly light or airy; tenuous; spiritlike; characterized by extreme delicacy, as form, manner, thought, etc.

(organic chemistry) To do with diethyl ether.

Pertaining to the hypothetical upper, purer air, or to the higher regions beyond the earth or beyond the atmosphere; celestial; as, ethereal space; ethereal regions.

Consisting of ether; hence, exceedingly light or airy; tenuous; spiritlike; characterized by extreme delicacy, as form, manner, thought, etc.

Pertaining to, derived from, or resembling, ether; as, ethereal salts.

Characterized by lightness and insubstantiality; as impalpable or intangible as air;

Of or containing or dissolved in ether;

Of heaven or the spirit;

Characterized by unusual lightness and delicacy;