pseu - quas
- quantum statistics
- quantum system
- quantum theory
- quantum theory of light
- quantum transition
- quantum yield
- quantum-limited sensitivity
- quantum-well structure
- quark
- quark confinement
- quark-gluon
- quarkonium
- quartation
- quartenylic acid
- quarter
- quarter-phase
- quartered
- quartering
- quarterwave
- quarterwave antenna