| arm1 |
the part of the human body between the shoulder and the wrist. [1/2 definitions] |
| asteroid |
a small, rocky, planet-like body that circles the sun and is mostly found between the orbits of Jupiter and Mars. The size of an asteroid can vary from very tiny to six hundred miles across. |
| Atacama Desert |
an extremely dry region of northern Chile that lies between the Pacific Ocean and the Andes mountains. |
| Australia |
the smallest continent. Australia is southeast of Asia, between the Indian and Pacific Oceans. It is in the Eastern Hemisphere. [1/2 definitions] |
| autumn |
the season of the year between summer and winter; fall. |
| Azerbaijan |
a country on the Caspian Sea between Iran and Russia. The capital of Azerbaijan is Baku. |
| baby boom |
the great increase in the population of the United States that took place between 1946 and 1960. |
| back |
the part of the body of a human or animal that is on the opposite side from the chest and between the neck and hips. [1/10 definitions] |
| Balkan Peninsula |
a European peninsula between the Adriatic Sea on the west and the Black and Aegean Seas on the east. Some of the countries on the Balkan Peninsula are Greece, Macedonia, Albania, Croatia, Serbia, and Bulgaria. |
| Baltic Sea |
a sea in norther Europe that lies between Sweden and Finland. It also borders other countries such as Poland, Estonia, Latvia, and Lithuania. |
| bar1 |
a vertical line that marks the beginning or end of a measure of music, or the music between two of these lines. [1/10 definitions] |
| baritone |
the range of the male voice that is between tenor and bass. [1/3 definitions] |
| battle |
a fight between two armed persons or forces during a war. [1/4 definitions] |
| Benin |
a country on the west central coast of Africa between the countries of Togo and Nigeria. The capital of Benin is Porto-Novo. |
| Bering Sea |
a northern arm of the Pacific Ocean that lies between Russia and Alaska. |
| Berlin |
the capital city of Germany. Between 1945 and 1990 the city was divided into East Berlin and West Berlin. For most of that time the Berlin Wall, a concrete and wire barrier, separated East and West Berlin. |
| Bhutan |
an Asian country in the Himalayan mountains that lies between India and China. The capital of Bhutan is Thimphu. |
| Black Sea |
a sea that lies between Europe and Asia. It is surrounded by Russia, Ukraine, Georgia, Turkey, Bulgaria, and Romania. |
| blue |
the color of a clear sky; the color between green and violet on the color spectrum. [1/3 definitions] |
| book |
sheets of paper bound together between two covers. These pages can be blank or can have writing, printing, or pictures on them. [1/3 definitions] |
| bookmark |
a strip of leather, ribbon, or paper placed between pages to mark a place in a book. |