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    "source_title": "Encyclopaedia Britannica (1911)",
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    "chunk_id": "1911:jar:a05a4fe1576a",
    "title": "JAR",
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    "verified_text": "jar, a vessel of simple form, made of earthenware, glass, &c., with a spoutless mouth, and usually without handles. the word came into english through fr. _jarre_ or span, _jarra_, from arab, _jarrah_, the earthenware vessel of eastern countries, used to contain water, oil, wine, &c. the simple electrical condenser known as a _leyden jar_ (q.v.) was so called because of the early experiments made in the science of electricity at leiden. in the sense of a harsh vibrating sound, a sudden shock or vibrating movement, hence dissension, quarrel or petty strife, \"jar\" is onomatopoeic in origin; it is also seen in the name of the bird night-jar (also known as the goat-sucker). in the expression \"on the jar\" or \"ajar,\" of a door or window partly open, the word is another form of _chare_ or _char_, meaning turn or turning, which survives in charwoman, one who works at a turn, a job and _chore_, a job, spell of work.",
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