C1nounscience
US/ˈfræk.ʃən/
UK/ˈfræk.ʃən/
a very small part or amount of something; in math, a number such as ½ or ¾
In context
Only a fraction of plastic waste is actually recycled.
The new chip uses a fraction of the power of older models.
For a fraction of a second, I thought the car would hit us.
Words that go with fraction
noun + preposition
- a fraction ofOnline courses cost a fraction of the price of a degree.
- fraction of a secondThe camera reacts in a fraction of a second.
adjective + noun
- small fractionOnly a small fraction of the forest is still untouched.
- tiny fractionWe have explored only a tiny fraction of the ocean floor.
- large fractionA large fraction of the city's water is lost through leaks.