xxviii
1. [ adjective ] being eight more than twenty
Synonyms: 28 twenty-eight
Related terms: cardinal
2. [ noun ] (mathematics) the cardinal number that is the sum of twenty-seven and one
Synonyms: twenty-eight 28
Related terms: large_integer
Similar spelling:   xxxviii
  XXVII
  xxxvii
  XXVI
  xxxvi
  XXV
  xxxv
  XXIV
  xxxiv
  xcviii