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Webster 1913 Edition

Adj.

[L.

argillosus

, fr.

argilla

. See

Argillaceous; clayey.

Sir T. Browne.

Adj.

Consisting of clay; clayey; parting of clay; belonging to clay.

argillous ‎(comparative more argillous, superlative most argillous)

clayey; argillaceous
(Can we find and add a quotation of Sir Thomas Browne to this entry?)

argillaceous — see argillaceous