Etymology
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nitrous (adj.)

c. 1600, "of nitre, pertaining to nitre," from Latin nitrosus, from nitrum (see nitre). The more precise use in chemistry (designating a compound in which the nitrogen has a lower valence than the corresponding nitric compound) is from 1780s. Middle English had nitrose "nitrous in quality; bitter, sour" (early 15c.). Nitrous oxide "laughing gas" is attested from 1800.

When inhaled it produces unconsciousness and insensibility to pain; hence it is used as an anesthetic during short surgical operations. When it is breathed diluted with air an exhilarating or intoxicating effect is produced under the influence of which the inhaler is irresistibly impelled to do all kinds of silly and extravagant acts; hence the old name of laughing-gas. [Century Dictionary, 1895]
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purifier (n.)

1550s, "one who purifies," agent noun from purify. As a type of mechanical apparatus, from 1834 (in reference to coal gas). Purificator in the ecclesiastical sense of "cloth used to wipe the chalice, etc., during mass" is by 1853, an agent-noun from Latin purificare.

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burner (n.)
late 13c., also as a surname, Brenner, "person who makes bricks," agent noun from burn (v.)). As a name for a part of a lamp where the flame issues, from 1790. Of the heating elements on gas cooking-stoves, by 1885.
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implosion (n.)

"a bursting inward, a sudden collapse," 1829, modeled on explosion, with assimilated form of in- "into, in, on, upon" (from PIE root *en "in").

And to show how entire the neglect and confusion have been, they speak in the same breath of all these explosions, and of the explosion of a mixture of hydrogen and oxygen, the result of which, instead of being a gas or an enlargement of bulk, a positive quantity, is a negative one. It is a vacuum, in a popular sense, because the produce is water. The result is an implosion (to coin a word), not an explosion .... ["Gas-light," Westminster Review, October 1829]

In early use often in reference to effect of deep sea pressures, or in phonetics. Figurative sense is by 1960.

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propane (n.)

"colorless gas occurring in petroleum," 1866, with chemical suffix -ane + prop(ionic acid) (1850), from French propionique (1847), from Greek pro "forward" (see pro-) + pion "fat" (see fat (adj.)), which was so named in reference to its being first in order of the fatty acids.

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-phene 

as an element in names of chemicals derived from benzene, from French phène, proposed 1836 by French scientist Auguste Laurent as an alternative name for "benzene" because it had been found in coal tar, a byproduct of the manufacture of "illuminating gas," from Greek phainein "bring to light, cause to appear, show" (from PIE root *bha- (1) "to shine").

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turbine (n.)

1838, "waterwheel driven by the impact or reaction of a flowing stream of water," from French turbine (19c.), from Latin turbinem (nominative turbo) "spinning top, eddy, whirlwind, that which whirls," related to turba "turmoil, crowd" (see turbid). Originally applied to a wheel spinning on a vertical axis driven by falling water, later of mechanisms driven by the flow of air. Turbo in reference to gas turbine engines is attested from 1904.

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respirator (n.)

1836, "an aid to breathing," originally a sort of metallic gauze mask fitted to the face by a wire frame and meant to keep out smoke, dust, and especially cold air; agent noun from respire. The word was later used of gas masks in World War I. As "machine to provide artificial respiration" from 1929.

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electricity (n.)

1640s (Browne, from Gilbert's Modern Latin), from electric (q.v.) + -ity. Originally in reference to friction.

Electricity seems destined to play a most important part in the arts and industries. The question of its economical application to some purposes is still unsettled, but experiment has already proved that it will propel a street car better than a gas jet and give more light than a horse. [Ambrose Bierce, "The Cynic's Word Book," 1906]
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chlorine (n.)

nonmetallic element, the name coined 1810 by English chemist Sir Humphry Davy from Latinized form of Greek khlōros "pale green" (from PIE root *ghel- (2) "to shine," with derivatives denoting "green" and "yellow") + chemical suffix -ine (2). Named for its color. Discovered 1774, but known at first as oxymuriatic acid gas, or dephlogisticated marine acid.

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