sub

Definitions

General Science

  • prefix
    (written as sub-)
    lower than

Accounting

Cricket

  • abbreviation a substitute
    Citation ‘Akram, the sub, held Marks off the fourth chance’ (Robin Marlar, Sunday Times 25 March 1984)
  • verb to field as a substitute
    Citation ‘Subbing for Broad on the long leg boundary, he clung on left-handed to Marshall’s hook … but teetered over the rope’ (Scyld Berry, WCM August 1984)

Information & Library Science

  • prefix
    (written as sub-)
    combining with nouns to give the meaning of less important

Media Studies

  • noun a subtitle to a document or printed matter
  • verb to add subtitles to something

Publishing

  • verb to sub-edit a text

General English

  • abbreviation forsubscription
  • abbreviation forsubstitute

Military

  • abbreviation forsubmarine
http://www.dictionarycentral.com/definition/sub.html