Words that start with O
15 words start with O. Show all words
O
- Object English
- The part of a sentence that receives the action. In "Maya kicked the ball", the ball is the object.
- Obtuse angle Maths
- An angle bigger than a right angle but smaller than a straight line, between 90 and 180 degrees.
- Octagon Maths
- A flat shape with eight straight sides, like a stop sign.
- Odd number Maths
- A whole number that leaves one over when shared into two equal groups, like 1, 3, 5 and 9.
- Omnivore Science
- An animal that eats both plants and animals, like a bear or a human.
- Online Computers
- Connected to the internet.
- Onomatopoeia English
- A word that sounds like the noise it names, like "buzz" or "splash".
- Operating system Computers
- The main software that runs a computer and lets other programs work, such as Windows or Android.
- Opinion English
- What someone thinks or feels. It is not a fact because people can disagree.
- Orbit Science
- The curved path of one object going round another, like Earth round the Sun.
- Organ Science
- A part of the body with a special job, like the heart or the stomach.
- Organism Science
- Any living thing, such as a plant, an animal or a fungus.
- Origin Maths
- The point (0, 0) on a graph where the two axes cross.
- Output Computers
- Information that comes out of a computer, like words on a screen or sound from speakers.
- Oxygen Science
- A gas in the air that living things need to breathe.