transitive verb Date: 1967 1. to adjust precisely so as to bring to the highest level of performance or effectiveness , to improve through minor alteration or revision , to stabilize (an economy) by small-scale fiscal and monetary manipulations
FINE-TUNE
Meaning of FINE-TUNE in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012