10.Nullify : make invalid
Once the contract was nullified , it no longer had any
legal force.
- Numismatist : person who collects coins.
The numismatist had a splendid collection of
antique coins.
12.Noxious : harmful
We must trace th source of these noxious gases
before they asphyxiate us.
13.Novelty : Something new, newness
The computer is no longer a novelty around the office.
- Nocturnal : Done at night.
Mr.Jan obtained a watch dog to prevent the nocturnal
raids on his chicken coops.
- Nomadic : wandering
Several nomadic tribes of Indians would hunt in
this area each year