nor

Multiple Entries:
  nor    nor'    nor-  

Concise Oxford English Dictionary © 2008 Oxford University Press:
nor/nɔː(r)/

▶conjunction & adverb

• 1 and not; and not either: they were neither cheap nor convenient.

  ■ neither: nor can I.

• 2 archaic or dialect than.

▶noun (NOR)

• 1 a logical operation which gives the value one if and only if all the operands have a value of zero, and otherwise has a value of zero.

• 2 [as modifier] Electronics denoting a gate circuit which produces an output only when there are no signals on any of the input connections.

– origin ME: contr. of OE nother ‘neither’.

Concise Oxford English Dictionary © 2008 Oxford University Press:
nor'/nɔː/

▶abbreviation (especially in compounds) north: nor'west.

Concise Oxford English Dictionary © 2008 Oxford University Press:
nor-/nɔː/

▶prefix Chemistry denoting an organic compound derived from another by shortening or contraction of a chain or ring by one carbon atom: noradrenaline.

– origin from nor(mal), orig. used to refer to a compound without methyl substituents.