Definition of os

What does the word os mean? Find synonyms, antonyms and the meaning of the word os in our free online dictionary! Find words starting with os and anagrams of os.

os - 6 definitions

- noun
1. os -- a mouth or mouthlike opening
Source:WordNet 3.0
 
2. osmium -- a hard brittle blue-grey or blue-black metallic element that is one of the platinum metals; the heaviest metal known
synonyms: osmium, Os, atomic number 76
Source:WordNet 3.0
 
3. operating system -- (computer science) software that controls the execution of computer programs and may provide various services
synonyms: operating system, OS
Source:WordNet 3.0
 
4. oculus sinister -- the left eye
synonyms: oculus sinister, OS
Source:WordNet 3.0
 
5. bone -- rigid connective tissue that makes up the skeleton of vertebrates
synonyms: bone
Source:WordNet 3.0
 
6. os, ora -- a bone
synonyms: ora, osar, ossa
Source:OWL 2 Web Ontology Language
 

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