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.
- serotherapist
- serotherapy
- serotine
- serotinous
- serotiny
- serotonergic
- serotonin
- serotoninergic
- serotonin-norepinephrine reuptake inhibitor
- serotype
- serous
- serous fluid
- serous membrane
- serovar
- serow
- Serpens
- serpent
- serpentarium
- serpentine
- serpent star
- serpiginous
- Serra
- Serra da Estrela
- serranid
- serrano