1. (law) lacking any legal or binding force
   "null and void";
   - void
    
2. Being or related to zero, esp. (mathematics) having zero norm or only zero elements
   "The experiment returned a null result"

1. No amount at all; absence of any thing, quantity or value
   "The search yielded null results";
   - nothing, nil, nix [informal], nada [N. Amer, informal], aught [archaic], cipher, cypher, goose egg [N. Amer, informal], naught [N. Amer], zero, zilch [informal], zip [N. Amer, informal], zippo [N. Amer, informal], nought [Brit]

1. To reduce or eliminate the effect of something
   "The noise-cancelling headphones nulled the ambient sound"
    
2. To cancel, invalidate, or make void
   "The court's decision nulled the previous ruling"

Derived forms: nulls, nulling, nulled

See also: invalid

Type of: relative quantity

Encyclopedia: Null, Luke