Definition of "UL"

UL

noun
plural ULs
1. (computing) Initialism of upload.
2. (nutrition) Initialism of Tolerable upper intake levels.
3. Abbreviation of unleaded fuel/gasoline/petrol/avgas.
verb
third-person singular simple present ULs, present participle ULing, simple past and past participle ULed
1. (computing) To upload.
adjective
not comparable
1. Abbreviation of unleaded.
proper noun
1. (US) Initialism of Underwriters Laboratories., a product-safety testing laboratory.