Etymology
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Russell 

masc. proper name, from Old French rousel, diminutive of rous "red," used as a personal name. See russet. Also a name for a fox, in allusion to its color. Compare French rousseau, which, like it, has become a surname. Russell's Paradox, "the set of all sets that do not contain themselves as elements," is named for Bertrand Russell (1872-1970) who is said to have framed it about 1901.

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Pyrex (n.)

1915, proprietary name (Corning Glass Works, Corning, N.Y.) of a type of hard, heat-resistant glass, an arbitrary coinage, in which advertisement writers and eager etymologists see implications of Greek pyr "fire" and perhaps Latin rex "king;" but the prosaic inventors say it was based on pie (n.1), because pie dishes were among the first products made from it. The -r-, in that case, is purely euphonious.

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Ionic (adj.)

"pertaining to Ionia or the Ionians," 1570s of music; 1580s of architecture, from Latin Ionicus, from Greek Ionikos (see Ionian). In prosody, a foot of two long syllables followed by two short. The Ionic school of philosophers (Thales, Anaxamander, etc.) studied the material world in ways that somewhat anticipated observational science. It also once was the name of an important school of Greek painting, but all of it save the name is lost. Related: Ionicize (1841).

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Iran 

country name, from Persian Iran, from Middle Persian Ērān "(land) of the Iranians," genitive plural of ēr- "an Iranian," from Old Iranian *arya- (Old Persian ariya-, Avestan airya-) "Iranian", from Indo-Iranian *arya- or *ārya-, a self-designation, perhaps meaning "compatriot" (see Aryan).

In English it began to be used 1760s, by orientalists and linguists (Alexander Dow, William Jones), in historical contexts, and usually with a footnote identifying it with modern Persia; as recently as 1903 "Century Dictionary" defined it as "the ancient name of the region lying between Kurdistan and India." In 1935 the government of Reza Shah Pahlavi requested governments with which it had diplomatic relations to call his country Iran, after the indigenous name, rather than the Greek-derived Persia.

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Adelaide 

fem. proper name, from French Adélaide, from a Germanic source similar to Old High German Adalhaid, from adal "noble family" (see atheling) + German heit "state, rank," which is related to Old English -had "person, degree, state, nature" (see -hood). The first element of it affixed to French fem. ending -ine gave Adeline.

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Ralph 

masc. proper name, shortened from Radulf, from Old Norse Raðulfr (Old English Rædwulf), literally "wolf-counsel," from rað "counsel" (see read (n.)) + ulfr "wolf" (see wolf (n.)). The Century Dictionary also lists it as English printers' slang for "An alleged or imagined evil spirit who does mischief in a printing house."

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Edam (adj.)

1836, type of cheese named for Edam, village in Holland where it was originally made. The place name is literally "the dam on the River Ye," which flows into the Ijsselmeer there, and the river name is literally "river" (see ea).

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AstroTurf (n.)

1966, proprietary name for a kind of artificial grass, so called because it was used first in the Houston, Texas, Astrodome, indoor sports stadium. See astro- + turf. Houston was the site of the control center of the U.S. space program.

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Schneider 

surname, German, literally "tailor" (equivalent to English Snyder), from schneiden "to cut" (see schnitzel). As a verb meaning "to defeat thoroughly," it appears to be from the game of skat, 1885, where it describes an emphatic way of winning (another way is known as a Schwartz, another German surname). It is attested in German as a skat term by 1860.

In all simple bids, a player proposes to win the game, that is, make at least sixty-one points. With a strong hand he may bid to Schneider his opponents ; that is to prevent them from making thirty points. ["Trumps," "The American Hoyle," New York: 1885]
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Gilbert 

masc. proper name, from Old French Guillebert (from Old High German Williberht, literally "a bright will") or Old French Gilebert, from Gisilbert, literally "a bright pledge," from Old High German gisil "pledge," a Celtic loan-word (compare Old Irish giall "pledge") + beorht "bright" (from PIE root *bhereg- "to shine; bright, white."). It was the common name for a male cat (especially in short form Gib) from c. 1400 (see Tom). As a unit of magneto-motive force, it honors English physicist William Gilbert (1544-1603). For the Gilbert Islands, see Kiribati.

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