'coll'-'conc'
- collection
- collector
- collimation
- collimator
- collimator resolution
- collision
- collisional broadening
- collisional chains
- collisional cross-section
- collisional deexcitation
- collisional half-width
- collisional processes
- collisional shift
- column
- column chromatography
- column performance
- column temperature