from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. the normal condition of sensitiveness in a coherer (disused)
- n. The process by which a quantum system interacts with its environment in such a way that no interference between states of the system can be observed.
from The Century Dictionary and Cyclopedia
- n. Decohering action.
First attested 1902 (OED), in the context of electrical engineering, in the sense of the resetting of a coherer. Decoherence is the verbal noun, standing besides decohesion, derived from decohere (also attested from 1902), the de- negative of cohere (17th century). (Wiktionary)