Aether, æther or ether may refer to:

Historical science and mythology

Aether (mythology) In Greek mythology, Aether, Æther, Aither, or Ether (; grc, Αἰθήρ (Brightness) ) is the personification of the bright upper sky. According to Hesiod, he was the son of Erebus (Darkness) and Nyx (Night), and the brother of Hemera (Day). ...

, the personification of the bright upper sky *

Aether (classical element) According to ancient and medieval science, aether (, 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 terrest ...

, the material believed to fill the universe above the terrestrial sphere ** Aether theories, proposing space-filling substance that propagates electromagnetic or gravitational forces ** Luminiferous aether, the postulated medium for the propagation of light

Science and engineering

Ether In organic chemistry, ethers are a class of compounds that contain an ether group—an oxygen atom connected to two alkyl or aryl groups. They have the general formula , where R and R′ represent the alkyl or aryl groups. Ethers can again be c ...

, a class of chemical compounds **

Diethyl ether Diethyl ether, or simply ether, is an organic compound in the ether class with the formula , sometimes abbreviated as (see Pseudoelement symbols). It is a colourless, highly volatile, sweet-smelling ("ethereal odour"), extremely flammable liq ...

, or simply ether, an organic compound *

Petroleum ether Petroleum ether is the petroleum fraction consisting of aliphatic hydrocarbons and boiling in the range 35–60 °C, and commonly used as a laboratory solvent. Despite the name, petroleum ether is not classified as an ether; the term is used ...

, a petroleum fraction (not classified as an ether) * AETHER, an atmospheric radiative transfer algorithm

Arts, entertainment and media

Fictional elements

* Aether, a plot device of the Marvel Cinematic Universe Infinity Stones * Aether, an object in ''Aion'' (video game) * Aether, a character in 2020 video game '' Genshin Impact'' * Aether, an element of the '' Kaladesh'' expansion block of ''Magic: The Gathering'' * Aether, a fictional planet in 2004 video game '' Metroid Prime 2: Echoes'' * Aether, an element in 2012 video game '' Phantasy Star Online 2''

Gaming

* ''Aether'' (video game), 2008

Music

Artists

Ether (band) Ether were an alternative rock band from Blackwood, Caerphilly, Wales formed in 1996. They had a minor UK hit single in 1998 with "Watching You". History The successful incarnation of the band was formed in 1996 by Rory Meredith (vocals, gui ...

, Welsh rock band 1996–1999 *

Æther Realm Æther Realm is an American heavy metal band from Greenville, North Carolina. Their music is a blend of melodic death metal and folk metal, with lyrical themes of fantasy and mythology. The band's influences include Wintersun and Children of Bod ...

American heavy metal band. (2010-Now)

Albums

* ''Aether'' (album), by The Necks, 2001 * ''Ether'' (Babble album), 1996 * ''Ether'' (B.o.B album), 2017 * ''Ether'' (Fischer-Z album), 2002

Songs

* "Ether" (song), a 2001 song by American rapper Nas * "Ether", a song by Arca from the 2021 album '' Kick IIIII'' * "Ether", a song by Gang of Four from the 1979 album ''

Entertainment! ''Entertainment!'' is the debut album by English post-punk band Gang of Four. It was released in September 1979 through EMI Records internationally and Warner Bros. Records in North America. Stylistically, it draws heavily on punk rock but also ...

'' * "Ether" a song by Nothingface from the 2003 album ''

Skeletons A skeleton is the structural frame that supports the body of an animal. There are several types of skeletons, including the exoskeleton, which is the stable outer shell of an organism, the endoskeleton, which forms the support structure inside ...

'' * "Aether", a song by In Hearts Wake from the 2015 album '' Skydancer'' * "Ether", a 2016 single by Make Them Suffer

Other uses

* Ether (Book of Mormon prophet) * Ether, North Carolina, a place in the United States * Ether, a cryptocurrency generated in accordance with the Ethereum protocol