Definition of approximations:
(n) :
(uncountable, countable) The act, process or result of approximating, as:
(n) :
(mathematics) An imprecise solution or result that is adequate for a defined purpose.
(n) :
(medicine) The act of bringing together the edges of tissue to be sutured.
(n) :
(linguistics) The act of producing a near-simulation of the pronunciation of a foreign language for a loanword therefrom, or any given pronunciation resulting from that act.