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Bookmark or Share- Ether | Substance, Aether, Wave Theory | Britannicaether, in physics, a theoretical universal substance believed during the 19th century to act as the medium for transmission of electromagnetic waves (e.g., light and X-rays ), much as sound waves are transmitted by elastic media such as air. The ether was assumed to be weightless, transparent, frictionless, undetectable chemically or physically ...
- Ether Definition & Meaning - Merriam-WebsterThe meaning of ETHER is the rarefied element formerly believed to fill the upper regions of space. How to use ether in a sentence.
- Diethyl ether - WikipediaDiethyl ether, or simply ether, is an organic compound in the ether class with the formula C 4 H 10 O, (CH 3 CH 2) 2 O or (C 2 H 5) 2 O, sometimes abbreviated as Et 2 O. It is a colourless, highly volatile, sweet-smelling ("ethereal odour"), extremely flammable liquid. It is commonly used as a solvent in laboratories and as a starting fluid for ...
- Ether - WikipediaEther. The general structure of an ether in organic chemistry. R and R' represent any organyl substituent (e.g., alkyl or aryl ). In organic chemistry, ethers are a class of compounds that contain an ether group —an oxygen atom connected to two organyl groups (e.g., alkyl or aryl ).
- Aether (classical element) - WikipediaAccording to ancient and medieval science, aether (/ ˈ iː θ ər /, alternative spellings include æther, aither, and ether), also known as the fifth element or quintessence, is the material that fills the region of the universe beyond the terrestrial sphere.
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