Definition of quasiparticle
: a composite entity (as a vibration in a solid) that is analogous in its behavior to a single particle
First Known Use of quasiparticle
Learn More about quasiparticle
Britannica.com: Encyclopedia article about "quasiparticle"
Seen and Heard
What made you want to look up quasiparticle? Please tell us where you read or heard it (including the quote, if possible).