null

As nouns the difference between null and pseudonull

is that null is a non-existent or empty value or set of values while pseudonull is a null result obtained as a result of error or interference.

As an adjective null

is having no validity, "null and void.

As a verb null

is to nullify; to annul.

As a noun null

is zero, nil; the cardinal number before einn.

As an adjective nonnull is

(mathematics|computing) not null.

As a noun null

is zero, nil; the cardinal number before einn.

As an adjective memberless is

without members; limbless.