NOS
Noun
nos
plural of no
Anagrams
• -son, SON, Son, ons, son
Noun
Nos
plural of No
Anagrams
• -son, SON, Son, ons, son
Adjective
NOS (not comparable)
(medical diagnosis) Initialism of not otherwise specified.
Usage notes
• (Not Otherwise Specified): used as the last qualifier in the definition of a class or category, as a punctuation period that restricts further narrowing of that specification, such as in the UN number for the transportation of dangerous goods; e.g, UN1956 is defined as "Compressed Gas, N.O.S."; whether it is flammable or inert is not specified, so it could be either.
Noun
NOS (plural NOSes)
Initialism of Near-Online Storage.
Initialism of Network Operating System.
Initialism of new old stock.
Abbreviation of nitrous oxide.
Anagrams
• -son, SON, Son, ons, son
Source: Wiktionary