A stony concretion that forms in a bodily organ.
Differential calculus and integral calculus considered as a single subject; analysis.
Deposits of calcium phosphate salts on teeth.
Any formal system in which symbolic expressions are manipulated according to fixed rules.
A decision-making method, especially one appropriate for a specialised realm.
A rounded mass of a mineral, sometimes found in sedimentary rock or on the ocean floor.
The action of making something concrete or the result of such an action.
A solid, hard mass formed by a process of aggregation or coalescence.
The process of aggregating or coalescing into a mass.