Nor, Or, Nor yet

(Conjunction : Used to introduce a further negative statement.)
(Noun : A Boolean operator that gives the value one if and only if all operands have a value of zero and otherwise has a value of zero.)
(Abbreviation : (especially in compounds) north.)
(Prefix : Denoting an organic compound derived from another, in particular by the shortening of a chain or ring by the removal of one methylene group or by the replacement of one or more methyl side chains by hydrogen atoms.)