sigmatism

[sig-muh-tiz-uh m]
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noun

defective pronunciation of sibilant sounds.

Origin of sigmatism

1885–90; < Greek sigmat-, stem of sígma sigma + -ism
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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Historical Examples of sigmatism


Word Origin and History for sigmatism
n.

1888, "difficulty in pronouncing 'S,'" from comb. form of sigma + -ism. As "use or recurrence of 'S'" from 1889.

Online Etymology Dictionary, © 2010 Douglas Harper