Rare gases is another term that was used, but this is also inaccurate because argon forms a fairly considerable part ( 0. 94 % by volume, 1. 3 % by mass ) of the Earth's atmosphere.

The term was coined by British DJ Norman Jay after his " The Original Rare Groove Show " on pirate radio station Kiss 94 FM ( the progenitor of Kiss 100 London ).

In 1912 Vesto Slipher measured the first Doppler shift of a " spiral nebula " ( spiral nebula is the obsolete term for spiral galaxies ), and soon discovered that almost all such nebulae were receding from Earth.

The term " Bronze Age " ultimately derives from the Ages of Man, the stages of human existence on the Earth according to Greek mythology.

The term circumpolar constellation is used for any constellation that, from a particular latitude on Earth, never sets below the horizon.

The sun's most southerly position, which is attained at the northern hemisphere's winter solstice, is now called the Tropic of Capricorn, a term which also applies to the line on the Earth at which the sun is directly overhead at noon on that solstice.

The development and testing of hypotheses on extraterrestrial life is known as exobiology or astrobiology ; the term astrobiology, however, includes the study of life on Earth viewed in its astronomical context.

Some relatively lightweight exoplanets, only a few times more massive than Earth ( now known by the term Super-Earth ), are known as well ; statistical studies now indicate that they actually outnumber giant planets while recent discoveries have included Earth-sized and smaller planets and a handful that appear to exhibit other Earth-like properties.

The term most commonly applies to a spacewalk made outside a craft orbiting Earth ( such as the International Space Station ), but also has applied to lunar surface exploration ( commonly known as moonwalks ) performed by six pairs of American astronauts in the Apollo program from 1969 to 1972.

Gaia philosophy ( named after Gaia, Greek goddess of the Earth ) is a broadly inclusive term for related concepts that living organisms on a planet will affect the nature of their environment in order to make the environment more suitable for life.

Given these, a new term Anthropocene, is specifically proposed and used informally for the latest part of this epoch since approximately synchronous lithospheric evidence, or more recently atmospheric evidence, of human impacts have been found on the Earth and its ecosystems ; these impacts may be considered of global significance for future evolution of living species.

The epithet " Known Space " is an in-universe term that refers to a relatively small part of the galaxy centered around Earth.

The term bolide refers to either an extraterrestrial body that collides with the Earth, or to an exceptionally bright, fireball-like meteor regardless of whether it ultimately impacts the surface.

Among the earliest evidence of the game are fragments of a pottery board and several rock cuts found in Aksumite Ethiopia in Matara ( now in Eritrea ) and Yeha ( in Ethiopia ), which are dated by archaeologists to between the 6th and 7th century AD ; the game may have been mentioned by Giyorgis of Segla in his 14th century Ge ' ez text " Mysteries of Heaven and Earth ," where he refers to a game called qarqis, a term used in Ge ' ez to refer to both Gebet ' a ( Mancala ) and Sant ' araz ( modern sent ' erazh, Ethiopian Chess ).

New Age spirituality often makes references to mythological representations of the Earth, Moon, and outer space ; the term New Age refers to the coming astrological age | astrological Age of Aquarius.

" As a result of the large-scale activities surrounding the Harmonic Convergence in 1987, the American mass-media further popularised the term as a label for the alternative spiritual subculture, including practices such as meditation, channeling, crystal healing, astral projection, psychic experience, holistic health, simple living, and environmentalism ; or belief in phenomena such as Earth mysteries, ancient astronauts, extraterrestrial life, unidentified flying objects, crop circles, and reincarnation.

The terms Star Service (" The Conscience of the King "), Spacefleet Command (" The Squire of Gothos "), United Earth Space Probe Agency (" Charlie X " and " Tomorrow Is Yesterday "), and Space Central (" Miri ") were all used to refer to the Enterprise < nowiki >'</ nowiki > s operating authority before the term " Starfleet " became widespread from the episode " Court Martial " onwards.

It is derived from terra, the Latin term for Earth.

The term uniformitarianism was coined by William Whewell, who also coined the term catastrophism for the idea that the Earth was shaped by a series of sudden, short-lived, violent events.

Earth science ( also known as geoscience ), is an all-embracing term for the sciences related to the planet Earth, including geology, geophysics, hydrology, meteorology, physical geography, oceanography, and soil science.

The use of the term ground ( or earth ) is so common in electrical and electronics applications that circuits in portable electronic devices such as cell phones and media players as well as circuits in vehicles such as ships, aircraft, and spacecraft may be spoken of as having a " ground " connection without any actual connection to the Earth.

Today the term " ecology movement " is associated often with the more moral, more confrontational, and more rigorous stance taken by Greenpeace and other even more radical NGOs, e. g. Earth First, Earth Action, Sea Shepherd, in favor of the Precautionary Principle and strong fundamental preventive measures for biosafety, biosecurity and biodiversity.

Historically the term referred to a mortal inhabitant of the Earth as opposed to spiritual or divine entities.

The term was often used in 1950s science fiction film and novels by aliens to express a disdainful or patronising tone towards creatures from Earth.

The al-prefix was probably added through confusion with another legal term, allegeance, an " allegation " ( the French allegeance comes from the English ).

The term " Almoravid " comes from the Arabic " al-Murabitun " () which is the plural form of " al-Murabit " literally meaning " One who is tying " but figuratively means " one who is ready for battle at a fortress ".

The term " antibacterial " derives from Greek ἀντί ( anti ), " against " + βακτήριον ( baktērion ), diminutive of βακτηρία ( baktēria ), " staff, cane ", because the first ones to be discovered were rod-shaped, and the term " antibiotic " derives from anti + βιωτικός ( biōtikos ), " fil for life, lively ", which comes from βίωσις ( biōsis ), " way of life ", and that from βίος ( bios ), " life ".

The term " adrenal " comes from ad-( Latin, " near ") and renes ( Latin, " kidney ").

However, it has been strongly argued that this was a point made out of mis-translation, as pointed out by Amin Malouf, and that the origin of the term in Middle Eastern culture comes from phrase Asasiyun, meaning those who follow the Asas ; believers in the foundation of faith.

It has been suggested that the term comes from the Black Stump Wine Saloon that once stood about 10 kilometres out of Coolah, New South Wales on the Gunnedah Road.

Some etymologists believe it comes from a dialectal pronunciation of the Portuguese " bandore " or from an early anglicisation of the Spanish word " bandurria ", though other research suggests that it may come from a West African term for a bamboo stick formerly used for the instrument's neck.

The first recorded use of the term Bretwalda comes from a West Saxon chronicle of the late 9th century that applied the term to Ecgberht, who ruled from 802 to 839.

The term " Bohemianism ", when used to mean " social unconventionality ", comes from the French bohémien " Gypsy " " because Romani people were thought to come from Bohemia, or because they perhaps entered the West through Bohemia ".

The term " Balkan " itself likely comes from Turkish, meaning " a chain of wooded mountains.

The name comes from the medieval-Latin term balneum ( or balineum ) Mariae — literally, Mary's bath — from which the French bain de Marie, or bain-marie, is derived.

* According to culinary writer Giuliano Bugialli, the term comes from the Italian bagno maria, named after Maria de ' Cleofa, who developed the technique in Florence in the sixteenth century.

The term constitution comes through French from the Latin word constitutio, used for regulations and orders, such as the imperial enactments ( constitutiones principis: edicta, mandata, decreta, rescripta ).

The name of the hypothesis comes from the term the continuum for the real numbers.

Camouflage is a form of visual deception ; the term probably comes from camouflet, a French term meaning smoke blown in someone's face as a practical joke.

Each computer acts as both the client and the server which means all the computers on the network are equals, that is where the term peer-to-peer comes from.

The first component of the term comes from " cybernetics ", which is derived from the Greek κυβερνήτης ( kybernētēs, steersman, governor, pilot, or rudder ), a word introduced by Norbert Wiener for his pioneering work in electronic communication and control science.

The term " contra " comes from the Spanish contra, which means against but in this case is short for, in English " the counter-revolution ".

A term that comes closer to Coptic Orthodoxy is miaphysite, which refers to a conjoined nature for Christ, both human and divine, united indivisibly in the Incarnate Logos.

For terms such as these it is not possible and indeed not necessary to state a definition ; rather, one simply comes to understand the use of the term.

The term comes from the Greek δίς ( dis ), " twice " and πόλος ( pòlos ), " axis ".

The term economics comes from the Ancient Greek (, " management of a household, administration ") from (, " house ") + (, " custom " or " law "), hence " rules of the house ( hold )".