sigmatism

noun

sig·​ma·​tism ˈsig-mə-ˌtiz-əm How to pronounce sigmatism (audio)
: faulty articulation of sibilants

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“Sigmatism.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/sigmatism. Accessed 25 Apr. 2024.

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