aether background

aether

/ˈiː.θə/ /ˈi.θɚ/

Illustration aether - Image 1

noun

Éther

The substance formerly supposed to fill the upper regions of the atmosphere above the clouds, in particular as a medium breathed by deities.

Examples :

"The ancient Greeks believed the gods breathed aether, a pure substance filling the heavens above the clouds. "

Les Grecs anciens croyaient que les dieux respiraient l'éther, une substance pure remplissant les cieux au-dessus des nuages.

mythology philosophy religion theology space science physics element substance astronomy

Illustration aether - Image 1

noun

Éther

Often as aether and more fully as luminiferous aether: a substance once thought to fill all unoccupied space that allowed electromagnetic waves to pass through it and interact with matter, without exerting any resistance to matter or energy; its existence was disproved by the 1887 Michelson–Morley experiment and the theory of relativity propounded by Albert Einstein (1879–1955).

Examples :

"Scientists in the 1800s believed that light waves traveled through an invisible substance called aether, but experiments later proved that this aether does not exist. "

Les scientifiques du XIXe siècle croyaient que les ondes lumineuses se propageaient à travers une substance invisible appelée éther, mais des expériences ont prouvé plus tard que cet éther n'existait pas.

physics theory space substance energy science history

Illustration aether - Image 1

noun

Éther

The atmosphere or space as a medium for broadcasting radio and television signals; also, a notional space through which Internet and other digital communications take place; cyberspace.

Examples :

"The news report traveled through the aether to reach radios and televisions across the country. "

Le reportage a voyagé à travers l'éther pour atteindre les radios et les télévisions à travers le pays.

media technology internet space communication computing electronics signal

Illustration aether - Image 1

noun

Atmosphère, aura

A particular quality created by or surrounding an object, person, or place; an atmosphere, an aura.

Examples :

"The old library had a palpable aether of quiet concentration, making it difficult to speak above a whisper. "

La vieille bibliothèque avait une atmosphère palpable de concentration silencieuse, ce qui rendait difficile de parler à voix haute.

philosophy quality being soul space nature

Illustration aether - Image 1

noun

Éther diéthylique

Diethyl ether (C4H10O), an organic compound with a sweet odour used in the past as an anaesthetic.

Examples :

""Before safer options were available, doctors sometimes used aether as an anesthetic during surgery." "

Avant que des options plus sûres ne soient disponibles, les médecins utilisaient parfois de l'éther diéthylique comme anesthésique pendant les opérations.

compound substance chemistry medicine

Illustration aether - Image 1

noun

Éther

Any of a class of organic compounds containing an oxygen atom bonded to two hydrocarbon groups.

Examples :

"The laboratory synthesized a new aether compound for use in the experiment. "

Le laboratoire a synthétisé un nouveau composé d'éther pour l'utiliser dans l'expérience.

compound chemistry substance