Calculus
Part of speech: noun
Definition: calculation, computation Any formal system in which symbolic expressions are manipulated according to fixed rules. Differential calculus and integral calculus considered as a single subject; analysis. A stony concretion that forms in a bodily organ. Deposits of calcium phosphate salts on teeth. A decision-making method, especially one appropriate for a specialised realm.
Example sentence: Fractions, decimals, algebra, geometry, trigonometry, calculus, mechanics - these are the steps up the mountain side. How high is one going to get? For me, the pinnacle was Projective Geometry. Who today has even heard of this branch of mathematics?
Concretion
Part of speech: noun
Definition: The process of aggregating or coalescing into a mass.A solid, hard mass formed by a process of aggregation or coalescence.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.