ex·plor·er 
(ĭk-splôrər)
(ĭk-splôrər)n.
1. One that explores, especially one that explores a geographic area.
2. An implement or a tool used for exploring; a probe.
- quasicrystal
- quasicrystalline
- Quasimodo
- quasiparticle
- quasi-stellar object
- quassia
- quatercentenary
- quaternary
- quaternary ammonium compound
- quaternary structure
- quaternion
- quatrain
- quatrefoil
- quattrocento
- quattuordecillion
- quattuordecillionth
- quaver
- quaveringly
- quavery
- quay
- quayage
- Quayle
- quayside
- qubit
- qubyte