1. an amount or number of something
2. a large amount of something
3. a value or component that may be expressed numerically
Usage: mathematics; science

Examples

• The recipe calls for a small quantity of salt.
• We ordered office supplies in large quantities to save money.
• The quantity of rainfall this month was below average.
• Scientists measured the quantity of carbon dioxide in the atmosphere.
• The store offers discounts when you buy in quantity.
• In algebra, x represents an unknown quantity.
• The quantity of students attending the event exceeded expectations.