Os

See also: Appendix:Variations of "os"

Translingual

Symbol

Os

  1. (chemistry) Symbol for osmium.

English

Noun

Os

  1. plural of O

Usage notes

  • There is some difference of opinion regarding the use of apostrophes in the pluralization of references to letters as symbols. New Fowler's Modern English Usage, after noting that the usage has changed, states on page 602 that "after letters an apostrophe is obligatory." The 15th edition of The Chicago Manual of Style states in paragraph 7.16, "To avoid confusion, lowercase letters ... form the plural with an apostrophe and an s". The Oxford Style Manual on page 116 advocates the use of common sense.

Anagrams

German

Pronunciation

  • IPA(key): [ɔs]

Etymology 1

Borrowed from Latin os, ultimately from Proto-Indo-European *h₃ésth₁.

Noun

Os n (genitive Os, plural Ossa)

  1. (medicine) os, bone (bone)

Etymology 2

Borrowed from Latin os.

Noun

Os n (genitive Os, plural Ora)

  1. (medicine) os, an opening

Norwegian

Proper noun

Os

  1. a municipality in Hedmark, Norway
  2. a municipality in Hordaland, Norway
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