copulin

C3O1P3U1L1I1N1

noun

Any of a class of aliphatic acids that are found in vaginal fluids and used to signal ovulation.

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Meanings

nouncopulin (plural copulins)

plural copulins

  1. biochemistryAny of a class of aliphatic acids that are found in vaginal fluids and used to signal ovulation.

    The practice was also given as a handy tip for single women in sexologist Shan Boodram’s 2019 book, The Game of Desire. “If copulins [chemicals secreted by the vagina]^([sic]) are used as perfume, then it will attract anyone traditionally attracted to women with vulvas,” Boodram wrote.

    2022 August 7, Olivia Petter, quoting Shan Boodram, “The disgust over ‘vabbing’ is just another way to demonise women’s bodies”, in The Independent

Origin

From copulate + -in.

Full word history & related roots →
Cite this entry
APA

copulin. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/copulin

MLA

“copulin.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/copulin. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “copulin,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/copulin.

Source: copulin on Wiktionary, CC BY-SA 4.0.