ethers background

ethers

/ˈiːθərz/

Illustration ethers - 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 :

""In ancient myths, the gods were believed to breathe the pure ethers above the mortal realm, far removed from earthly air." "

Dans les mythes anciens, on croyait que les dieux respiraient les purs éthers au-dessus du royaume des mortels, loin de l'air terrestre.

mythology space philosophy religion theology astronomy substance

Illustration ethers - 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 19th century believed that light waves traveled through the ethers, a hypothetical substance filling all of space. "

Les scientifiques du XIXe siècle croyaient que les ondes lumineuses se propageaient à travers l'éther, une substance hypothétique remplissant tout l'espace.

theory physics space substance history science

Illustration ethers - Image 1

noun

Éther, espace

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 school's announcements were broadcast through the ethers, reaching students all over the campus. "

Les annonces de l'école étaient diffusées à travers l'éther, atteignant les élèves de tout le campus.

space technology internet computing communication signal electronics media

Illustration ethers - 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 held ethers of quiet contemplation, making it the perfect place to study. "

La vieille bibliothèque dégageait une atmosphère de contemplation tranquille, ce qui en faisait l'endroit idéal pour étudier.

quality style character environment place being phenomena sensation abstract

Illustration ethers - Image 1

noun

Éther diéthylique

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

Examples :

"The old chemistry lab still faintly smelled of ethers, a substance once used to put patients to sleep during surgery. "

L'ancien laboratoire de chimie sentait encore faiblement l'éther diéthylique, une substance autrefois utilisée pour endormir les patients pendant la chirurgie.

compound substance chemistry medicine

Illustration ethers - Image 1

noun

Éthers

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

Examples :

"Chemists study ethers because these compounds are often used as solvents in laboratory experiments. "

Les chimistes étudient les éthers car ces composés sont souvent utilisés comme solvants dans les expériences de laboratoire.

compound chemistry substance material