qual·i·fi·er 
(kwŏlə-fī′ər)
(kwŏlə-fī′ər)n.
1. One that qualifies, especially one that has or fulfills all appropriate qualifications, as for a position, office, or task.
2. Grammar A word or phrase that qualifies, limits, or modifies the meaning of another word or phrase.
- quantum jump
- quantum leap
- quantum mechanical
- quantum mechanics
- quantum number
- quantum physics
- quantum state
- quantum teleportation
- quantum theory
- quantum tunneling
- Quanzhou
- Quapaw
- Qu'Appelle River
- quarantinable
- quarantine
- quark
- quark
- quark-gluon plasma
- quark matter
- quark number
- quark star
- quarrel
- quarrel
- quarreler
- quarrelsome