The phrase "to optimize the design" means to make the design as efficient, effective, or as perfect as possible. It involves improving and refining the design to achieve the best possible outcome. Full definition
Japanese researchers have optimized the design of laboratory - grown, synthetic diamonds. (sciencedaily.com)
Both companies worked together to highly optimize the design for a high - performance experience along with power efficiency so those experiences don't drain the built - in battery in an instant. (digitaltrends.com)
The team is also optimizing the design so that it can be successfully integrated into commercial devices. (sciencedaily.com)