NOS

Initialism of not otherwise specified.

Adjective

  1. Initialism of not otherwise specified.
    • diffuse large B-cell lymphoma, not otherwise specified

Forms

N.O.S.

Noun

  1. Initialism of Near-Online Storage.
  2. Initialism of Network Operating System.
  3. Initialism of New Old Stock.
  4. Acronym of nitrous oxide system.
  5. Abbreviation of nitrous oxide.

Forms

NOSes