Webster’s Revised Unabridged Dictionary · 1913
Null
Null (nŭl), a. [L. nullus not any, none; ne not + ullus any, a dim. of unus one; cf. F. nul. See No, and One, and cf. None.] Of no legal or binding force or validity; of no efficacy; invalid; void; nugatory; useless.
Faultily faultless, icily regular, splendidly null, Dead perfection; no more. Tennyson.
Null, n. 1. Something that has no force or meaning.
2. That which has no value; a cipher; zero. Bacon.
Null method (Physics.), a zero method. See under Zero.
Null, v. t. [From null, a., or perh. abbrev. from annul.] To annul. [Obs.] Milton.
Null, n. [Etymol. uncertain.] One of the beads in nulled work.