Signification visuelle de 'ethers'? - apprendre avec des images, exemples du quotidien

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.

""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

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).

"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

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.

"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

noun

Atmosphère, aura

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

"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

noun

Éther diéthylique

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

"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

noun

Éthers

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

"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