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aether

/ˈiː.θə/ /ˈi.θɚ/

Meanings
noun
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. "
mythology philosophy religion theology space science physics element substance astronomy
noun
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. "
physics theory space substance energy science history

Related Words

Illustration broadcasting

broadcasting verb

/ˈbɹɔːdkæstɪŋ/ /ˈbɹɔdkæstɪŋ/

To transmit a message or signal through radio waves or electronic means.

"The local radio station is broadcasting the school's graduation ceremony live this afternoon. "

Illustration hydrocarbon

hydrocarbon noun

/ˈhaɪdroʊˌkɑːrbən/ /ˈhaɪdrəˌkɑːrbən/

A compound consisting only of carbon and hydrogen atoms.

"Gasoline is a hydrocarbon fuel used in many cars. "

Illustration luminiferous

luminiferous adjective

/ˌluːmɪˈnɪfərəs/ /ˌluːməˈnɪfərəs/

Producing or transmitting light; luminous.

"The lighthouse's luminiferous beam cut through the thick fog. "

Illustration communications

communications noun

/kəˌmjuːnɪˈkeɪʃənz/

The act or fact of communicating anything; transmission.

"communication of a secret"

Illustration televisions

televisions noun

/ˈtɛlɪˌvɪʒənz/ /ˈtɛləˌvɪʒənz/

An electronic communication medium that allows the transmission of real-time visual images, and often sound.

"It’s a good thing that television doesn’t transmit smell."

Illustration synthesized

synthesized verb

/ˈsɪnθəˌsaɪzd/ /ˈsɪnθɪˌsaɪzd/

To combine two or more things to produce a new product.

"The chemist synthesized a new drug by combining several different compounds. "

Illustration experiments

experiments noun

/ɪkˈspɛɹ.ɪ.mənts/

A test under controlled conditions made to either demonstrate a known truth, examine the validity of a hypothesis, or determine the efficacy of something previously untried.

"The students conducted several experiments in the science lab to test their theory about plant growth. "

Illustration atmosphere

atmosphere noun

/ˈæt.məsˌfɪə(ɹ)/ /ˈætməsˌfɪɹ/

The gases surrounding the Earth or any astronomical body.

"The atmosphere was thick with the smell of popcorn, as the kids gathered for the movie night. "

Illustration anaesthetic

anaesthetic noun

/ˌænəsˈθetɪk/ /ˌiːnəsˈθetɪk/

A substance administered to reduce the perception of pain or to induce numbness for surgery and may render the recipient unconscious.

"The dentist gave me an anaesthetic before filling my cavity so I wouldn't feel any pain. "

Illustration concentration

concentration noun

/ˌkɒnsənˈtɹeɪʃən/ /ˌkɑnsənˈtɹeɪʃən/

The act, process or ability of concentrating; the process of becoming concentrated, or the state of being concentrated.

"My concentration was high during the important math test. "

Illustration electromagnetic

electromagnetic adjective

/ɪˌlɛktroʊmæɡˈnɛtɪk/ /ɪˌlɛktrəʊmæɡˈnɛtɪk/ /iˌlɛktroʊmæɡˈnɛtɪk/ /iˌlɛktrəʊmæɡˈnɛtɪk/

Relating to electromagnetism

"The cell phone emits electromagnetic waves that allow us to communicate. "

Illustration surrounding

surrounding verb

/səˈɹaʊndɪŋ/

To encircle something or simultaneously extend in all directions.

"The large oak tree surrounding the picnic area provided welcome shade. "