1. a specific amount or quantity
2. the smallest possible discrete unit of any physical property
Usage: physics

1. relating to quantum mechanics or quantum theory
Usage: physics
2. very large or significant
Usage: informal

Examples

• The quantum of energy required for the reaction was precisely calculated.
• Scientists study quantum particles at the atomic level.
• Quantum physics explains the behavior of matter at very small scales.
• The new policy represents a quantum leap in environmental protection.
• Each quantum of light carries a specific amount of energy.
• Quantum computers could revolutionize data processing.
• The quantum effects become noticeable only at microscopic dimensions.