| html |
abbreviation of "hypertext markup language," a computer language used to create documents on the World Wide Web. |
| hypertext markup language |
a computer language used to create documents on the World Wide Web; html. |
| idealistic |
believing that people can change things to make the world better. |
| igloo |
a hut, shaped like a dome and made of blocks of ice or hard snow. Igloos are a traditional type of home made by certain groups of people who live in the Arctic regions of the world. |
| internet |
the world's largest computer network, which is made of millions of computers that are linked together. Some parts of the internet are the World Wide Web, electronic mail, and chat rooms. |
| Lake Baikal |
a large lake located in the part of Russia that is in Asia. Lake Baikal is the deepest lake in the world and also contains the most water. It is a freshwater lake, which means that the water is not salty. |
| Mayday |
the international radiotelephone distress signal, used by ships and aircraft in need of help. |
| mouse |
a very small mammal with gray or brown fur. Mice are rodents. They have pointed faces, round ears, and long tails with no fur. Different kinds of mice are found in many parts of the world. [1/2 definitions] |
| myth |
a story or group of stories that form part of the traditional knowledge of a society. Myths often use imaginative plots and characters to explain how the world began and why nature and people behave the way they do. [1/2 definitions] |
| nation |
a people living in the same region of the world and having a common history, language, and culture. [1/2 definitions] |
| nationality |
a people living in the same region of the world and having a common history, language, and culture. [1/2 definitions] |
| natural history |
the study of plants, animals, rocks, land forms, and other objects in nature or the physical world. |
| naturalist |
a person who studies the natural world, especially plants and animals. |
| nature |
the physical world and living things in their natural state; all things that are not made by people. [1/3 definitions] |
| New World |
the Western Hemisphere. North and South America make up the New World. |
| New Year's Eve |
the evening of December 31, the last night of the calendar year. On New Year's Eve, many people around the world celebrate the coming of the new year, which begins at midnight. |
| Nile |
the longest river in the world. It flows north from Uganda in East Africa through Sudan and Egypt into the Mediterranean Sea. |
| Nile River |
an African river, generally considered to be the longest in the world, flowing from Uganda northward to the Mediterranean Sea. |
| north |
(often capital) the northern part of a country or area, or the northern part of the world. On a map, a northern area is nearer to the top of that area than to the bottom. [1/6 definitions] |
| oriole |
a songbird that can be found in many parts of the world. Males have black and bright yellow or orange feathers. There are two main groups of birds that are considered orioles. There are several different kinds of orioles in each group. |
| otter |
a mammal with brown fur, a long body, short legs, and webbed feet. Otters live in the water where they eat fish, frogs, and other water animals. Different kinds of otters are found in most parts of the world. They live in groups and are very playful. Otters are related to skunks, badgers, and other kinds of weasels. |