| NAT | the theological doctrine that Jesus Christ had no human father |
|---|---|
| NAT | the event of being born |
| NAT | an international organization created in 1949 by the North Atlantic Treaty for purposes of collective security |
| NAT | the presence of abnormally large amounts of sodium in the urine |
| NAT | of or relating to natriuresis |
| NAT | water snakes |
| NAT | a small harmless grass snake |
| NAT | harmless European snake with a bright yellow collar |
| NAT | in some classifications placed in the genus Nerodia |
| NAT | a group of minerals of the zeolite family consisting of a hydrous silicate of sodium and aluminum |
| NAT | Italian chemist noted for work on polymers (1903-1979) |
| NAT | chew the fat |