B1 the amount or number of something, especially that can be measured:
Police found a large/small quantity of drugs in his possession.
More examples
- This quantity of lasagne will feed six people.
- Forensic examination revealed a large quantity of poison in the dead man's stomach.
- He consumes vast quantities of chips with every meal.
- The quantities given in the recipe should be enough for four servings.
- Erupting volcanoes discharge massive quantities of dust into the stratosphere.
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