Definition of "fine-tune" []

• To make small adjustments in for optimal performance or effectiveness: "Advertising agencies kept fine-tuning the coolly calculated machinery of merchandising and hype” ( New Yorker). (verb-transitive)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "China's Politburo, the party's top decision-making body, said China would "fine-tune policies in light of changes in economic development," according to the state-run Xinhua news agency."
• "Mr. Li suggested that China should "fine-tune" its restrictions on home purchases in some areas while maintaining an overall tight stance."
• "It can take months to fine-tune settings on the battery pack and adjust medications to give patients optimal movement control."