A Whole Number, Not a Fraction or Decimal
Puzzle 19 of Ghost Hunting Hard Pack
Question is: A Whole Number, Not a Fraction or Decimal
and the answer is: INTEGER
Word Meaning:
INTEGER — (arithmetic) A number that is not a fraction; an element of the infinite and numerable set {..., -3, -2, -1, 0, 1, 2, 3, ...}.
Definitions from Wiktionary.