2. Initialism. (computing) upload ¹
3. Initialism. (American English) Underwriters Laboratories, a product-safety testing laboratory. ¹
4. Initialism. (computing) upload , (alternative form of UL) ¹
5. Initialism. (computing) upload , (alternative form of UL) ¹
¹ Source: wiktionary.com
Medical Definition of UL
1. Symbol for microliter. (05 Mar 2000)