Princeton's WordNet(0.00 / 0 votes)Rate this definition: 1  habitus(noun) person's predisposition to be affected by something (as a disease) the consumptive habitus. 2  physique, build, body-build, habitus(noun) constitution of the human body.
A mineral is a naturally occurring substance, representable by a chemical formula, that is usually solid and inorganic, and has a crystal structure. It is different from a rock, which can be an aggregate of minerals or non-minerals and does not have a specific chemical composition.
Mineral. mineral. 1. An inorganic species or substance occurring in nature, having a definite chemical composition and usually a distinct crystalline form. Rocks, except certain glassy igneous forms, are either simple minerals or aggregates of minerals. 2. A mine. 3.f or pertaining to minerals; consisting of a mineral or of minerals; as, a mineral substance. 2. Impregnated with minerals; as, mineral waters. (Science: chemistry) Mineral acids, a salt of a mineral acid. Mineral tallow, a familiar name for hatchettite, from its fatty or spermaceti-like appearance.