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1. The decade from 1880 to 1889
   - 1880s
    
2. The decade from 1980 to 1989
   - 1980s
    
3. The time of life between 80 and 90
   - mid-eighties

1. The cardinal number that is the product of ten and eight
   - 80, LXXX, fourscore [archaic]

Type of: decade, decennary, decennium, large integer, time of life

Part of: age, eld, geezerhood, old age, years

Encyclopedia: Eighties