The word "iterative" means doing something again and again, making small changes or improvements each time. It is a process of repetition and gradual refinement. Full definition
After two years of iterative updates, Apple is releasing its most important iPhone in a decade. (mobilesyrup.com)
The iPhone 8 should make its debut this fall, along with iterative upgrades of the current iPhones. (techtimes.com)
This signature Translational Science Model (TSM) is characterized by precision in definition and measurement, a rapid - cycle iterative approach to improving programs, and a relentless focus on identifying what works best (and least or not at all) for whom and why. (gse.harvard.edu)