Crossword Heaven

Answer: NULLSET

NULLSET is a crossword puzzle answer that we have spotted 12 times.

• It's empty
• Mathematical void
• Intersection of perfect squares and prime numbers
• Group with no members, in math
• It has zero measure, in math
• It's got nothing
• It has no members
• There's nothing to it
• Empty math class
• Mathematical collection with nothing in it
• Mathematical void symbolized by { }
• { }, in math