1. Lasting for an hour
   "an hourlong examination"

See also: long

• ephah
• ephebe
• ephedra
• Ephedra sinica
• Ephedraceae
• ephedrine
• ephemera
• ephemeral
• ephemerality
• ephemeralness
• ephemerid
• Ephemerida
• Ephemeridae
• ephemeris
• ephemeris time
• ephemeron
• Ephemeroptera
• ephemeropteran
• Ephesian
• Ephesians
• Ephestia
• Ephestia elutella
• Ephesus
• Ephippidae
• Ephippiorhynchus