[Mova](https://md.mova.elamur.ai/free/en/) · [this page in HTML](https://mova.elamur.ai/free/en/dictionaries/school/O/page/5/)

[home](https://md.mova.elamur.ai/free/en/) / [dictionaries](https://md.mova.elamur.ai/free/en/dictionaries/) / [The school dictionary](https://md.mova.elamur.ai/free/en/dictionaries/school/) / O

# O

[A](https://md.mova.elamur.ai/free/en/dictionaries/school/A/)[B](https://md.mova.elamur.ai/free/en/dictionaries/school/B/)[C](https://md.mova.elamur.ai/free/en/dictionaries/school/C/)[D](https://md.mova.elamur.ai/free/en/dictionaries/school/D/)[E](https://md.mova.elamur.ai/free/en/dictionaries/school/E/)[F](https://md.mova.elamur.ai/free/en/dictionaries/school/F/)[G](https://md.mova.elamur.ai/free/en/dictionaries/school/G/)[H](https://md.mova.elamur.ai/free/en/dictionaries/school/H/)[I](https://md.mova.elamur.ai/free/en/dictionaries/school/I/)[J](https://md.mova.elamur.ai/free/en/dictionaries/school/J/)[K](https://md.mova.elamur.ai/free/en/dictionaries/school/K/)[L](https://md.mova.elamur.ai/free/en/dictionaries/school/L/)[M](https://md.mova.elamur.ai/free/en/dictionaries/school/M/)[N](https://md.mova.elamur.ai/free/en/dictionaries/school/N/)[O](https://md.mova.elamur.ai/free/en/dictionaries/school/O/)[P](https://md.mova.elamur.ai/free/en/dictionaries/school/P/)[Q](https://md.mova.elamur.ai/free/en/dictionaries/school/Q/)[R](https://md.mova.elamur.ai/free/en/dictionaries/school/R/)[S](https://md.mova.elamur.ai/free/en/dictionaries/school/S/)[T](https://md.mova.elamur.ai/free/en/dictionaries/school/T/)[U](https://md.mova.elamur.ai/free/en/dictionaries/school/U/)[V](https://md.mova.elamur.ai/free/en/dictionaries/school/V/)[W](https://md.mova.elamur.ai/free/en/dictionaries/school/W/)[X](https://md.mova.elamur.ai/free/en/dictionaries/school/X/)[Y](https://md.mova.elamur.ai/free/en/dictionaries/school/Y/)[Z](https://md.mova.elamur.ai/free/en/dictionaries/school/Z/)

416 words

[1](https://md.mova.elamur.ai/free/en/dictionaries/school/O/)[2](https://md.mova.elamur.ai/free/en/dictionaries/school/O/page/2/)[3](https://md.mova.elamur.ai/free/en/dictionaries/school/O/page/3/)[4](https://md.mova.elamur.ai/free/en/dictionaries/school/O/page/4/)**5**

1. [**owl**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/owl.md) noun (an owl, owls) An owl is a bird with a big round face, large forward-facing eyes and a hooked beak that usually hunts small animals at night.
2. [**owlet**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/owlet.md) noun (an owlet, owlets) 1) A young owl, a baby owl. 2) A small kind of owl, such as the little owlets of Asia and Africa.
3. [**own**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/own.md) verb (own, owns, owned, owning); adjective and pronoun (own — after my, your, his…) 1) To own something is to have it as yours. 2) «My own book» is a book that is mine and nobody else's. 3) «On your own» means alone, or…
4. [**owned**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/owned.md) verb past and past participle (own, owns, owned, owning); adjective (owned — in «family-owned») Owned is the past form of own: it was yours before.
5. [**owner**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/owner.md) noun (an owner, owners) 1) A person or group that something belongs to.
6. [**ownership**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/ownership.md) noun (ownership — uncountable) Ownership is the fact of owning something — having it as yours by right, like a house, a dog, or a bike.
7. [**ox**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/ox.md) noun (ox, oxen) 1) An ox is a big strong farm animal like a bull, used to pull carts and ploughs. 2) «As strong as an ox» means very strong.
8. [**oxalic**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/oxalic.md) adjective (oxalic acid) 1) Oxalic acid: a poisonous acid found in small amounts in plants like rhubarb leaves, sorrel and spinach, also used for cleaning and…
9. [**oxbow**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/oxbow.md) noun (oxbow, oxbows); adjective use (oxbow lake) An oxbow (oxbow lake) is a curved lake that forms when a bend (meander) of a river is cut off from the main river.
10. [**oxen**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/oxen.md) noun plural (ox, oxen) 1) Oxen is the word for more than one ox: big strong farm animals used to pull carts and ploughs.
11. [**oxford**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/oxford.md) proper noun (Oxford); noun (an oxford, oxfords — a shoe) Oxford is a city in England, famous for its very old university (a name).
12. [**oxide**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/oxide.md) noun (an oxide, oxides) 1) (science) A chemical made when another element joins with oxygen: rust is iron oxide; water is hydrogen oxide.
13. [**oxygen**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/oxygen.md) noun (oxygen — uncountable) 1) A gas in the air that people, animals and plants need to live. 2) A chemical element (symbol O) found in air, water and many things.
14. [**oxygenate**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/oxygenate.md) verb (oxygenate, oxygenates, oxygenated, oxygenating) 1) To add oxygen to something, such as water or blood. 2) (oxygenated, adjective) Containing oxygen: "oxygenated blood".
15. [**oyster**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/oyster.md) noun (an oyster, oysters) A sea animal with a soft body inside a rough, hinged shell; some are eaten as food.
16. [**ozone**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/ozone.md) noun (ozone — uncountable) A gas made of three oxygen atoms, which forms a layer high in the sky that protects Earth from harmful sunlight.

[1](https://md.mova.elamur.ai/free/en/dictionaries/school/O/)[2](https://md.mova.elamur.ai/free/en/dictionaries/school/O/page/2/)[3](https://md.mova.elamur.ai/free/en/dictionaries/school/O/page/3/)[4](https://md.mova.elamur.ai/free/en/dictionaries/school/O/page/4/)**5**