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Words starting with O

Words that start with O

Orange orangutans avidly ogle an orchard of oleanders in Oregon.

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Photo of oleander flowers.
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Ois forOleander

Scientific name: nerium oleander
Oleanders, also known as rose laurel, are a pretty, evergreen flowering shrub. They usually have pink or white flowers. Oleanders are one of the most poisonous plants known. Their sap is toxic, and even the dead, dried plant is dangerous. Horses have been known to die from eating oleander leaves. Even a single leaf might be enough to kill a small child.
Photo of olives
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Ois forOlive

Scientific name: olea europaea
Olives are the fruit of a small, slow-growing tree. They are originally from the Mediterranean region and grow best in poor soils in Mediterranean climates. Olives can be grown easily from both seeds and cuttings, but trees grown from seed don't always grow good fruit. Olives can't be eaten fresh from the tree, they are too bitter. Olives need to be prepared by soaking them in salty water or otherwise preparing them to be eaten. Some types of olive can be pressed and oil made from them.

Ois forOlivine

Olivine is a common olive green mineral made up of magnesium iron silicate. It has also been found in asteroids and on the moon. Olivine can be quite brittle. When olivine is transparent and gem quality, is is called peridot.

Ois forOmelette

An omelette is made from beaten eggs, cooked in a frying pan. A little milk or cream is often added to the eggs, and sometimes omelettes are made from only the white of the eggs, without the yolk. Omelettes may also contain added herbs, spices, diced vegetables or meat, particularly ham.
A omnivorous meal.
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Ois forOmnivore

An omnivore is a person or animal that eats meat and vegetables.
Photo of an Apple Mac computer, switched on
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Ois forOn

Something is on if it is powered up and able to be used. The computer in the picture is turned on. On is also used to indicate positioning, as in "the cup is on the table". The opposite of on is off.
Photo of one cat.
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Ois forOne

There is one cat in the picture. The number that comes after one is two. You can also use one as a pronoun, for example "one must do one's homework".

Ois forOnion

Scientific name: allium cepa
Onions are a vegetable. There are many different kinds of onions, ranging in size and colour from purple to red to white to green. Onions are used in almost every kind of food, raw or cooked. They can be very sharp when they are raw and many children do not like raw onions, but when they are cooked they are quite sweet.

Ois forOnyx

Onyx is a type of quartz. It comes in a variety of colours, with the most common being striped and black. The black variety is most popular in jewelry making.
Photo of oozing jam
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Ois forOoze

A liquid oozes when it comes out of something else slowly. The sandwich in the picture is oozing jam.