eidolon /ī-dōˈlon/

1. An image
2. A phantom or apparition
3. A confusing reflection or reflected image
4. An ideal or idealized person or thing

• hygrographic
• hygrographical
• hygrographs
• hygrologies
• hygrology
• hygrometer
• hygrometers
• hygrometric
• hygrometrical
• hygrometries
• hygrometry
• hygrophil
• hygrophilous
• hygrophobe
• hygrophyte
• hygrophytes
• hygrophytic
• hygroscope
• hygroscopes
• hygroscopic
• hygroscopical
• hygroscopicities
• hygroscopicity
• hygroscopic salt
• hygrostat