| aardvark |
a large mammal with a long snout, long ears, a long tail, and with long fur mostly around its legs. Aardvarks are active at night, when they use their powerful claws to dig open ant or termite nests. They catch their food with their long, sticky tongue. Aardvarks live in southern and central Africa. Although they are sometimes called anteaters, aardvarks are not closely related to any other kind of mammal. |
| acrylic |
a kind of plastic used to make yarns, paint, and many other things. |
| ageism |
the act of having a bad opinion of, or not treating in a fair way, a person or group of people based on age. This kind of discrimination is often against older people. |
| agreement |
an understanding between people or groups that states what kind of action is to be taken and what each person's responsibility will be. The document that describes this understanding is also called an agreement. [1/4 definitions] |
| amethyst |
a purple gem used in jewelry. Amethyst is a kind of quartz. |
| antelope |
an animal with horns, a long neck, long legs, and hooves. Antelopes are known for their fast running. Antelopes are mammals that eat plants and chew their cud. The smallest kind of antelope is only one foot tall; the largest antelope is six feet tall at the shoulder. Gazelles, gnus, and impalas are all antelopes. Most antelopes live in Africa; some also live in Asia. [1/2 definitions] |
| arrange |
to put in some kind of order, pattern, or design. [1/3 definitions] |
| aspen |
a kind of poplar tree with leaves that shake in the slightest breeze. |
| bagel |
a kind of bread roll that is shaped like a ring. Bagel dough is boiled in water before it is baked. |
| bionic |
an electronic or mechanical device that replaces or helps something natural. An artificial leg is one kind of bionic device. |
| blue whale |
a mammal that lives in the ocean. Blue whales are the largest kind of animal that has ever lived. They can grow up to 100 feet long and weigh up to 150 tons. Their large mouths have baleen instead of teeth. Blue whales use baleen to filter lots of very small food such as shrimp from ocean water. |
| bobcat |
a wild cat with red-brown fur, tufted ears, and a short tail. Bobcats are about twice the size of a house cat. They are a kind of lynx and live in southern Canada, the United States, and Mexico. Bobcats are carnivorous mammals. |
| bobwhite |
a brown and white North American bird that is named for its call. Bobwhites are a kind of quail. |
| bookworm |
a kind of insect larva that feeds on the glue used in the manufacture of books. [1/2 definitions] |
| bramble |
a kind of berry bush with thorns on its stems. Raspberry and blackberry plants are brambles. |
| brand |
a kind of product made by one particular company. [1/4 definitions] |
| breed |
a particular type or kind of animal or plant. [1/4 definitions] |
| brier1 |
a kind of thorny plant or bush. [1/2 definitions] |
| brown bear |
a bear that is mainly brown in color, found in western North America and northern Europe and Asia. Brown bears vary in size from the small Syrian variety to the giant Kodiak bear and include the North American grizzlies. They are found in more parts of the world than any other kind of bear. |
| burger |
a sandwich like a beef burger but made with a patty of some other kind of food, such as chicken, fish, or beans. The patty itself is also called a burger. [1/2 definitions] |
| canary |
a small yellow or greenish bird often kept as a pet. Canaries are native to the Canary Islands and are a kind of finch. [1/2 definitions] |