Definition of derivations:
(n) :
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.
(n) :
(genealogy, linguistics) The act of tracing origin or descent; an instance thereof (for example, an etymology).
(n) :
(grammar) Forming a new word by changing the base of another word or by adding affixes to it.
(n) :
The state or method of being derived; the relation of origin when established or asserted.
(n) :
That which is derived; a derivative; the result of a deduction.
(n) :
That from which a thing is derived.