(grammar) A noun in which number is not marked; that is, a noun which does not change form in the plural, such as, in English, fish and series.

The ideology of the NSDAP (National Socialist German Workers' Party) in Germany, including an authoritarian government, ethnic nationalism (including but not limited to Pan-Germanism) and adequate territory (Lebensraum), and economic cooperation between the state and capital.

(Canadian politics) A member or supporter of the Canadian New Democratic Party.

(Canadian politics) Of or pertaining to the Canadian New Democratic Party or supporters thereof.

Not addicting.

(medicine) Of a blood type within the ABO and Rh blood grouping system. Blood type A negative has a phenotype of "A" and a Rhesus system classification of negative.

(law) concerning assets remaining in an estate after the death or removal of the estate administrator; remaining assets as distributed by the second administrator (administrator bonis non)

Alternative spelling of nonstick

plural of night out

(mathematics) Any of the large semiprime numbers to be factored in the RSA Factoring Challenge, a competition from 1991 to 2007 encouraging research into computational number theory.