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paramecin

noun

par·​a·​me·​cin -ˈmēs-ᵊn How to pronounce paramecin (audio)
: a toxic substance that is secreted into the ambient medium by paramecia and that possess the cytoplasmic factor kappa

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“Paramecin.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/paramecin. Accessed 4 Dec. 2025.

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