quantum mechanics
noun
a theory of the mechanics of atoms, molecules, and other physical systems that are subject to the uncertainty principle. QM
quantum-mechanical
-
a word derived from
quantum mechanics.
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Instead of representing data with bits that can be either one or zero, quantum computers harness the quantum-mechanical properties of so-called qubits that can be a combination of the two at the same time.
From The Wall Street Journal ● Nov. 7, 2025
Phonons are how heat transfer scientists describe the movement of heat in solids on a quantum-mechanical level.
From Science Daily ● Nov. 28, 2023
How do these vibrations affect any quantum-mechanical processes in the molecule?
From Science Daily ● Oct. 24, 2023
Kotler notes that finding larger cat states is a way of “stretching the limit” of observed quantum-mechanical objects—in this case, by demonstrating that something as massive as 16 micrograms can exist in this state.
From Scientific American ● May 12, 2023
A quantum-mechanical law called the Pauli exclusion principle keeps matter from squishing itself into a point.
From "Zero: The Biography of a Dangerous Idea" by Charles Seife
