Nill vs. Null — What's the Difference?

Not to will; not to wish.

Having no legal force; invalid

To be unwilling; will not (+ infinitive).

Of no consequence, effect, or value; insignificant.

To be unwilling.

Amounting to nothing; absent or nonexistent

To reject, refuse, negate.

(Mathematics) Of or relating to a set having no members or to zero magnitude.

Shining sparks thrown off from melted brass.

To make null.

Scales of hot iron from the forge.

Zero; nothing.

(obsolete) zinc oxide, particularly white forms used in medicine and cosmetics.

An instrument reading of zero.

Not to will; to refuse; to reject.

A non-existent or empty value or set of values.

To be unwilling; to refuse to act.

Zero quantity of expressions; nothing.

Shining sparks thrown off from melted brass.

Something that has no force or meaning.

Scales of hot iron from the forge.

(computing) The null character; the ASCII or Unicode character (␀), represented by a zero value, which indicates no character and is sometimes used as a string terminator.

(computing) The attribute of an entity that has no valid value.

One of the beads in nulled work.

(statistics) The null hypothesis.

Having no validity; "null and void".

Insignificant.

Absent or non-existent.

(mathematics) Of the null set.

(mathematics) Of or comprising a value of precisely zero.

Causing a complete loss of gene function; amorphic.

Neutral.

To nullify; to annul.

To return to the null position, setting, etc.

To form nulls, or into nulls, as in a lathe.

To crack; to remove restrictions or limitations in (software).

Of no legal or binding force or validity; of no efficacy; invalid; void; nugatory; useless.

Having a value of zero; as, of null utility.

Empty; having no members; as, the null set.

Unassigned or meaningless; - a special value given to variables, especially pointers or logical variables, indicating that it is meaningless and cannot be used in computation; as, an uninitialized pointer in "C" is given a null value. The actual value that is stored in memory to indicate the null condition may vary with the computer language used.

Something that has no force or meaning.

That which has no value; a cipher; zero.

One of the beads in nulled work.

To annul.

A quantity of no importance;

Lacking any legal or binding force;