01 a. Of the nature of clay; consisting of, or containing, argil or clay; clayey.
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1.
Of the nature of clay; consisting of, or containing, argil or clay; clayey.
Phrases & compounds
Argillaceous sandstone —
a sandstone containing much clay.
Argillaceous iron ore —
the clay ironstone.
Argillaceous schist [or] state —
See Argillite.