resonance absorption

noun

1

: the absorption of electromagnetic energy at a frequency such that the photon energy is equal to a quantum excitation energy of the absorbing system

2

: the abnormally strong absorption by atomic nuclei of neutrons having certain definite energies

The Ultimate Dictionary Awaits

Expand your vocabulary and dive deeper into language with Merriam-Webster Unabridged.

1. Expanded definitions
2. Detailed etymologies
3. Advanced search tools
4. All ad-free

Discover what makes Merriam-Webster Unabridged the essential choice for true word lovers.

Start Your Free Trial Now