Alternative form of nonapplicable

Alternative form of nonpayment

Alternative form of nonconformity.

Alternative form of nonconformity (“refusal to conform to a state religion”).

plural of non-conformity

(computing) A hardware-level interrupt that cannot be masked by software, such as a memory parity error.

(computing theory) A notional ability always to choose the most favorable option, in constant time.

An essential or indispensable element, condition, or ingredient.

(geometry) Any system of geometry not based on the set of axioms of Euclidean geometry, which is based on the three-dimensional space of common experience.

A person who is not welcome, especially a diplomat in a foreign country.