A mechanism in early radios to tap the coherer, mechanically disturbing the particles to reset it to the high resistance state.

plural of decoherer

Third-person singular simple present indicative form of decohere

(physics) To cause, or to undergo decoherence.

(physics) The condition of being decoherent

plural of decoherence

(physics) Exhibiting decoherence.

(quantum mechanics) Loss of quantum coherence (phase relation between the quantum states of particles) in a physical system as it interacts with its environment.