(countable, of a thing, concept, theory, or similar) A process of dismantling or separating into constituent elements in order to study the nature, function, or meaning.
(countable) The result of such a process.
(uncountable, mathematics) The mathematical study of functions, sequences, series, limits, derivatives and integrals.
(countable, logic) Proof by deduction from known truths.
(countable, chemistry) The process of breaking down a substance into its constituent parts, or the result of this process.
(countable, psychology) Psychoanalysis.