null : Idioms & Phrases


aleph-null

  • noun the smallest infinite integer
    aleph-nought; aleph-zero.
WordNet

Null method

  • (Physics.), a zero method. See under Zero.
Webster 1913

null set

  • noun a set that is empty; a set with no members
WordNet

null space

  • noun a space that contains no points; and empty space
WordNet