1. Any fern of the genus Hymenophyllum growing in tropical humid regions and having translucent leaves
   - filmy fern

Derived forms: film ferns

Type of: fern

Part of: genus Hymenophyllum, Hymenophyllum

• unattainableness
• unattainably
• unattended
• unattentive
• unattired
• unattractive
• unattractively
• unattractiveness
• unattributable
• unau
• unauthentic
• unauthorised
• unauthorised absence
• unauthorized
• unauthorized absence
• unavailability
• unavailable
• unavailing
• unavenged
• unavoidability
• unavoidable
• unavoidable casualty
• unavoidably
• unavowed
• unawakened