The act of receiving anything from a source; the act of
procuring an effect from a cause, means, or condition, as profits from
capital, conclusions or opinions from evidence.

The act of tracing origin or descent, as in grammar or
genealogy; as, the derivation of a word from an Aryan root.

The state or method of being derived; the relation of
origin when established or asserted.

That from which a thing is derived.

That which is derived; a derivative; a deduction.

The operation of deducing one function from another
according to some fixed law, called the law of derivation, as the of
differentiation or of integration.

A drawing of humors or fluids from one part of the body
to another, to relieve or lessen a morbid process.