| bison |
a very large mammal with a large head, humped shoulders, and short curved horns. Bison used to roam the plains of North America in large herds, but they were hunted until they were almost extinct. North American bison are also called buffalo, but they are not related to the true buffalo of Africa and Asia. Bison have hooves and are closely related to cattle. Bison eat only plants and chew their cud. [2 definitions] |
| bit1 |
the metal part of a bridle that is placed in the mouth of a horse and used to control it. [2 definitions] |
| bit2 |
a small amount; little piece. [2 definitions] |
| bit3 |
the smallest unit of information in a computer. |
| bit4 |
past tense and a past participle of "bite." |
| bite |
to cut or pierce with the teeth. [10 definitions] |
| bitten |
a past participle of "bite." |
| bitter |
having a sharp, bad taste that is neither sour nor salty. [3 definitions] |
| black |
the color of the night sky; the darkest color. [7 definitions] |
| black-and-white |
of a movie or photograph, using the colors black, white, and gray only. [2 definitions] |
| black bear |
a medium-sized bear, usually with thick black or reddish brown fur. They are the most common bears in North America and live in forests and mountain areas. [2 definitions] |
| blackberry |
a dark purple or black berry that is made up of many large seeds. [2 definitions] |
| blackbird |
a common songbird, the males of which are black or mostly black. Crows and grackles are blackbirds. |
| blackboard |
a smooth, hard panel for writing on with chalk; chalkboard. Blackboards are often made of slate and have a dark color. |
| blackboard eraser |
an object made of layers of felt used for erasing chalk from a blackboard. |
| blacken |
to make black; make dark. [3 definitions] |
| black eye |
bruised skin around the eye, often caused by being hit. |
| black hole |
a region or body in space with gravity so strong that neither light nor matter can escape it. Scientists believe that black holes form when very large stars collapse. |
| blackmail |
money demanded from someone by another person who threatens to give out information that would harm that person. [3 definitions] |
| blackout |
the loss or hiding of all the lights of a city or region. Cities may have blackouts because of power failures. [2 definitions] |
| black out |
to faint or pass out. |