sign on, 1  to employ; hire. 2  to bind oneself to work, as by signing a contract: He signed on as a pitcher with a major-league team. 3  to start radio or television broadcasting, especially at the beginning of the day. 4  Computers. log1 (def 17a).
FROM FIBER TO FABRIC: ACETATE INTRODUCTION Initially invented in Europe as a varnish for airplane wings, acetate was first produced in the United States in 1924 making it the second oldest manufactured fiber.
Acetate is used in fabrics such as satins, brocades, and taffetas to accentuate luster, body, drape and beauty. 1  Hand: soft, smooth, dry, crisp, resilient. 2  Comfort: breathes, wicks, dries quickly, no static cling. 3  Drape: linings move with the body linings conform to the garment.