From un- + clayed. <span class="searchmatch">unclayed</span> (not comparable) Not clayed....
10-11, page 184: […] the matrix is yellow, more clayed but contains carbonate. <span class="searchmatch">unclayed</span> clayed simple past and past participle of clay deacyl, lac dye...
clay; clayish. Synonyms: argillaceous, argillous Antonyms: nonclayey, <span class="searchmatch">unclayed</span> 1812, Antonio de Alcedo, “DEMERARA”, in G[eorge] A[lexander] Thompson,...