Etymology
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laboratory (n.)
c. 1600, "room or building set apart for scientific experiments," from Medieval Latin laboratorium "a place for labor or work," from Latin laboratus, past participle of laborare "to work" (see labor (v.)). Figurative use by 1660s.
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Velox (n.)
type of photographic print paper made by a process patented 1893 by Leo Baekeland, who sold it to George Eastman in 1899 for $1 million and used the money to build the laboratory where he made great discoveries in plastics (see Bakelite).
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hootenanny (n.)

"informal session of folk musicians," 1940, American English, earlier "a gadget" (1927), of unknown origin, perhaps a nonsense word.

Another device used by the professional car thief, and one recently developed to perfection, according to a large Chicago lock-testing laboratory, is a "hootenanny," so-called by the criminals using it. [Popular Mechanics, February 1931]
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burette (n.)
"small vessel for liquids," 1836, in chemistry, a precise measuring tube for laboratory work, from French burette "small vase, cruet," diminutive of buire "vase for liquors," in Old French "jug," variant of buie (12c.) "bottle, water jug," from Frankish *buk- or some similar Germanic source (see bucket (n.)).
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officinal (adj.)

of medicines, "kept in stock by a druggist," 1660s, from French officinal, from Medieval Latin officinalis, literally "of or belonging in an officina," a storeroom (of a monastery) for medicines and necessaries, in classical Latin "workshop, manufactory, laboratory," contraction of *opificina, from opifex (genitive opificis) "worker, workman, maker, doer" (from opus "work," from PIE root *op- "to work, produce in abundance") + -fex, -ficis "maker, one who does," from facere "to do, make" (from PIE root *dhe- "to set, put"). Related: Officinally.

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video (adj.)

1935, as visual equivalent of audio, from Latin video "I see," first person singular present indicative of videre "to see" (see vision). As a noun, "that which is displayed on a (television) screen," 1937.

Engineers, however, remember the sad fate of television's first debut and are not willing to allow "video transmission" (as television is now called by moderns) to leave the laboratory until they are sure it will be accepted. [The Michigan Technic, November 1937]

video game is from 1973.

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