WordNet 3.0 Copyright © 2006 by Princeton University.
- 1. os, orifice, opening, porta
- usage: a mouth or mouthlike opening
- 2. osmium, Os, atomic number 76, metallic element, metal
- usage: a hard brittle blue-grey or blue-black metallic element that is one of the platinum metals; the heaviest metal known
- 3. operating system, OS, software, software program, computer software, software system, software package, package
- usage: (computer science) software that controls the execution of computer programs and may provide various services
- 4. oculus sinister, OS, eye, oculus, optic
- usage: the left eye
- 5. bone, os, connective tissue
- usage: rigid connective tissue that makes up the skeleton of vertebrates
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See also: os (Dictionary)