1. A unit measuring the amount of cloud cover, corresponding to one eighth of the sky

Derived forms: oktas

Encyclopedia: Okta

• protracted
• protractedly
• protractible
• protractile
• protraction
• protractive
• protractor
• protriptyline
• Protropin
• protrude
• protruding
• protrusible
• protrusile
• protrusion
• protrusive
• protuberance
• protuberant
• protuberate
• Protura
• proturan
• protégé
• protégée
• proud
• proud flesh
• proud of