List of Common Nouns: o

1. oak
2. oarsman A person who rows a boat especially as a member of a racing team.last updated 26 Mar 2015
   http://en.wikipedia.org/wiki/Rowinglast updated 26 Mar 2015
3. oatmeal
4. ocean
5. octopus A cephalopod mollusc that has a soft sac-like body with no internal shell, strong beak-like jaws, and eight long sucker-bearing tentacles.last updated 30 Dec 2015
   https://en.wikipedia.org/wiki/Octopuslast updated 30 Dec 2015
6. oil The 'mass' thing of a viscous edible liquid that is produced from plants or animals, and is used as food in cooking.last updated 21 Dec 2015
   https://en.wikipedia.org/wiki/Oillast updated 21 Dec 2015
7. onlooker A person who only watches or observes something, an activity, or event happening in a public place without taking part or being involved or participated.last updated 21 Mar 2015
   http://en.wikipedia.org/wiki/Bystanderlast updated 21 Mar 2015
8. orange
9. orbiter A physical device that is designed to go into orbit of a planet in outer space.last updated 14 Apr 2015
   http://en.wikipedia.org/wiki/Orbiterlast updated 14 Apr 2015
10. osmium A 'mass' thing this a chemical element of symbol Os, atomic number 76, and atomic weight 190.2.last updated 16 Feb 2015
    http://en.wikipedia.org/wiki/Osmiumlast updated 16 Feb 2015
11. ostrich ostrich" is something which is a bird that is the largest fast-running flightless African bird with a naked head, long neck, long legs, stout two-toed feet and a dark feathered body.last updated 23 Mar 2015
    http://en.wikipedia.org/wiki/Ostrichlast updated 23 Mar 2015
12. otter otter" is something which is an animal that is a semiaquatic carnivorous musteline mammal with a long streamlined body, smooth dark brown fur and webbed, and lives in freshwater.last updated 18 Mar 2015
    http://en.wikipedia.org/wiki/Otterlast updated 18 Mar 2015
13. overalls
14. overcoat
15. overhead projector
16. owl owl" is something which is a bird that is a nocturnal bird of prey with a large head, a large front-facing eyes, a facial disc, a small hooked powerful bill, strong claws, soft feathers, and a short neck, and usually hunts at night.last updated 25 Mar 2015
    http://en.wikipedia.org/wiki/Owllast updated 25 Mar 2015
17. oxygen A 'mass' thing this a chemical element of symbol O, atomic number 8, and atomic weight [15.99, 16].last updated 16 Feb 2015
    http://en.wikipedia.org/wiki/Oxygenlast updated 16 Feb 2015
18. oyster oyster" is something which is an animal that is a large bivalve mollusc with a rough irregular flat shell usually lying on coastal sea bed.last updated 18 Mar 2015
    http://en.wikipedia.org/wiki/Oysterlast updated 18 Mar 2015