1. The cardinal number that is the sum of seven and one
   - eight, 8, VIII, eighter, eighter from Decatur, ogdoad, octonary, octet

Derived forms: octads

Type of: digit, figure

• electron optics
• electron orbit
• electron paramagnetic resonance
• electron radiation
• electron shell
• electron spin resonance
• electron tube
• electron volt
• electronegative
• electronegativity
• electroneutral
• electronic
• electronic balance
• electronic bulletin board
• electronic communication
• electronic computer
• electronic converter
• electronic counter-countermeasures
• electronic countermeasures
• electronic data processing
• electronic database
• electronic deception
• electronic device
• electronic dictionary
• electronic equipment