| Term | Definition |
| artesian well | pressurized water that rises to the surface |
| indigenous | native |
| atoll | island formed by buildup at the mouth of an underwater volcano |
| lagoon | shallow water in the center of an atoll |
| krill | shrimp-like animal |
| lichen | small plants that grow on rocks and trees |
| crevasse | huge cracks in the ice |
| Strine | combination of English and an Aboriginal language |
| ozone layer | layer of the atmosphere that keeps prevents solar rays |
| trust territory | an area that the United Nations placed for temporary control |
| station | ranch |
| subsistence farming | to grow enough food just for your family |
| copra | meat of a coconut |
| marsupial | a mammal whose young must live in a pouch |
| introduced species | plants and animals placed outside their natural habitat |