As much as can be held in one's mind at a time.

The subdiscipline of soil science that studies the solid inorganic phases controlling physicochemical processes in soils and sediments.

(diminutive) Smaller version of an item than usual. / With the hemline well above the knee.

Greatly diminished size or form; reduced scale. / A small version of something; a model of reduced scale. / A small, highly detailed painting, a portrait miniature.

Smaller than normal.

(transitive) To make smaller than normal; to reproduce in miniature.

A short skirt with its hemline well above the knees, generally at mid-thigh level.

(geology) Any naturally occurring inorganic material that has a (more or less) definite chemical composition and characteristic physical properties.

of, related to, or containing minerals

A collection containing a variety of miscellaneous things.