English dictionary

ether

/'/i//T//@/r/

Definitions, examples, synonyms and antonyms from WordNet 3.0.

noun

the fifth and highest element after air and earth and fire and water; was believed to be the substance composing all heavenly bodies

noun.substance

Synonyms quintessence

Source: WordNet 3.0
any of a class of organic compounds that have two hydrocarbon groups linked by an oxygen atom

noun.substance

Source: WordNet 3.0
a medium that was once supposed to fill all space and to support the propagation of electromagnetic waves

noun.communication

Synonyms aether

Source: WordNet 3.0
a colorless volatile highly inflammable liquid formerly used as an inhalation anesthetic

noun.artifact

Synonyms diethyl ether divinyl ether ethoxyethane ethyl ether vinyl ether

Source: WordNet 3.0
A medium of great elasticity and extreme tenuity, supposed to pervade all space, the interior of solid bodies not excepted, and to be the medium of transmission of light and heat; hence often called <i>luminiferous ether</i>.

noun

Source: webster1913