[ey-tee] /ˈeɪ ti/ noun, plural eighties. 1. a cardinal number, ten times eight. 2. a symbol for this number, as 80 or LXXX. 3. a set of this many persons or things. 4. eighties, the numbers, years, degrees, or the like, from 80 through 89, as in referring to numbered streets, indicating the years of […]
[ey-tee-ith] /ˈeɪ ti ɪθ/ adjective 1. next after the seventy-ninth; being the ordinal number for 80. 2. being one of 80 equal parts. noun 3. an eightieth part, especially of one (1/80). 4. the eightieth member of a series. /ˈeɪtɪɪθ/ adjective 1. (usually prenominal) noun 2. 3. the fraction equal to one divided by 80 […]
[eyt-pen-ee] /ˈeɪtˌpɛn i/ adjective 1. noting a nail 2½ inches (64 mm) long. 2. costing or amounting to the sum of eight pennies. Symbol: 8d.
- Eight queens problem
eight queens puzzle