argill-, argillo- +

(Greek > Latin: clay)

argillaceous (adjective), more argillaceous, most argillaceous
Of the nature of clay; largely composed of clay: Argillaceous rocks or sediments are those that contain very fine-grained soil that is pliable when moist but becomes hard when fired.
argillaceous rock
1. A sedimentary rock formed from clay deposits.
2. Rock formed from consolidated clay sediments.
A process by which the weathering of aluminum silicates forms clay minerals.
Relating to, containing, composed of, or characteristic of clay.
argillic alteration
A process of rock alteration whereby certain minerals in a rock are changed into clay minerals.
argillic horizon
A soil horizon in which silicate clays have percolated down from an overlying layer and accumulated.
argillicole (verb), argillicoles; argillicoled; argillicoling: clay, mud
1. Thriving or growing in clay or mud.
2. Living on, or in, clay.
Referring to a structure that produces or contains clay.
Someone who eats white clay.
An argillaceous sedimentary rock (containing clay), with or without slaty cleavages; mudrock.
argillo-areenaceous, argilloareenaceous
Consisting of, or containing, clay and sand, as a soil.
argillo-calcareous, argillocalcareous
Consisting of, or containing, clay and calcareous (calcium carbonate) earth.
argillo-ferruginous, argilloferruginous
Containing clay and iron.
The eating of white clay.


Clay, well-known as a skin treatment, may also be helpful when a person has had too much to drink. Ancient Greeks and Romans used it as a detoxifying substance, and many French drinkers swear by a glass of the creamy, grey argile verte the morning after.

Should anyone have long-term alcohol intake which produces more serious gastric problems, clay's anti-inflammatory and wound-healing properties are also said to help stomach ulcers.

—Based on information from
"Myth or Medicine?" as seen in "élan",
a section in The European; December, 1993; page 7.
argillophilous (noun), more argillophilous, most argillophilous
Regarding a life form that grows in clay or mud: Some flowering shrubs are argillophilous and thrive well in clay, like the Weigela, Forsythia, and Hydrangea.

Cross references of word families related directly, or indirectly, to: "land, ground, fields, soil, dirt, mud, clay, earth (world)": agra-; agrest-; agri-; agro-; choro-; chthon-; epeiro-; geo-; glob-; lut-; myso-; pedo-; pel-; rhyp-; soil-; sord-; terr-.