The process of change into a stony or calcareous substance by the deposition of lime salt; -- normally, as in the formation of bone and of teeth; abnormally, as in calcareous degeneration of tissue.
Deposits of calcium phosphate salts on teeth.
Differential calculus and integral calculus considered as a single subject; analysis.
Any formal system in which symbolic expressions are manipulated according to fixed rules.
A stony concretion that forms in a bodily organ.
A decision-making method, especially one appropriate for a specialised realm.