1. Lasting for an hour
   "an hourlong examination"

See also: long

• obidoxime chloride
• obiism
• obit
• obiter
• obiter dictum
• obituary
• object
• object ball
• object code
• object glass
• object language
• object lens
• object lesson
• object of a preposition
• object of the verb
• object program
• object recognition
• object-oriented database
• object-oriented database management system
• object-oriented programing
• object-oriented programing language
• object-oriented programming
• object-oriented programming language
• objectification
• objectify