1. The version of a computer program or other product
   - version number

Derived forms: release numbers

• effeminacy
• effeminate
• effeminately
• effeminateness
• effeminise
• effeminize
• effendi
• efferent
• efferent fiber
• efferent nerve
• efferent neuron
• effervesce
• effervescence
• effervescent
• effervescing
• effete
• effetely
• effeteness
• efficacious
• efficaciously
• efficaciousness
• efficacy
• efficiency
• efficiency apartment
• efficiency engineer