approximation

Short definition from Wiktionary

Noun

1. 1
   The act, process or result of approximating, as
2. 2
   The act, process or result of approximating, as: An imprecise solution or result that is adequate for a defined purpose.
3. 3
   The act, process or result of approximating, as: The act of bringing together the edges of tissue to be sutured.
4. 4
   The act, process or result of approximating, as: 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.