in·ves·ti·ga·tor 
(ĭn-vĕstĭ-gā′tər)
(ĭn-vĕstĭ-gā′tər)n.
One, especially a detective, who investigates.
in·ves′ti·ga·tori·al (-gə-tôrē-əl) adj.
- polycarpic
- polycarpous
- polycarpy
- polycentric
- polycentrism
- polychaete
- polychaetous
- polychlorinated biphenyl
- polychromatic
- polychromatophile
- polychromatophilia
- polychromatophilic
- polychrome
- polychromic
- polychromophilia
- polychromous
- polychromy
- Polycleitus
- polyclinic
- Polyclitus
- polyclonal
- polyclonally
- polyconic projection
- polycyclic
- polycyclic aromatic hydrocarbon