ASPERATE
Source: 566, 567
asperate. Asperate, v.t. to make rough or uneven
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As″per‐ate (�), v. t. [imp. & p. p. Asperated; p. pr. & vb. n. Asperating.] [[L. asperatus, p. p. of asperare, fr. asper rough.]] To make rough or uneven. The asperated part of its surface. Boyle.