blue jack

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blue jack

noun

obsolete, rare, uncountable copper sulfate

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MLA

"blue jack." Wiktionary, via Micwyn, micwyn.com/word/blue%20jack. Accessed 6 Nov. 2026.

APA

blue jack. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/blue%20jack

Chicago

"blue jack." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/blue%20jack.

BibTeX

@misc{blue_jack_2026,
  title = {blue jack},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/blue%20jack},
  urldate = {2026-11-06}
}