have (something) down to a science

have (something) down to a science

To learn, master, or understand something perfectly, to the point of requiring little or no focus to do, recall, or accomplish it. I had my routine down to a science so there wouldn't be any room for error during the performance. I'm a working mom of three, so I have lunch-making down to a science—I put out all the pieces of bread, add jelly to each one, and then do the same with peanut butter.See also: down, have, science

have/get something down to a ˈscience

(especially American English, often humorous) have a very precise and efficient way of doing something, especially something that is normally done in a casual or informal way: When Tom says he has shopping down to a science, he isn’t kidding.See also: down, get, have, science, something