a quantity of no importance; "it looked like nothing I had ever seen before"; "reduced to nil all the work we had done"; "we racked up a pathetic goose egg"; "it was all for naught"; "I didn't hear zilch about it"
This is the term used to determine bead sizes. The symbol for aught (awt) is the degree sign (or /0) and is preceded by a number ranging from 8 to 11. The smaller the number, the larger the bead size.