| ragtime |
a form of music developed in the late nineteenth and early twentieth century in America. Ragtime was a popular kind of music with a bouncy rhythm, usually written for the piano. |
| ragweed |
a weed that produces a large amount of pollen in the fall. Many people are allergic to ragweed. |
| raid |
a sudden, surprise attack. [3 definitions] |
| rail1 |
a bar of wood or metal that runs between two posts and serves as a fence or barrier. [3 definitions] |
| railing |
a barrier or fence made of posts and rails. [2 definitions] |
| railroad |
a road of steel rails upon which train cars travel. [2 definitions] |
| railway |
a railroad. [2 definitions] |
| rain |
drops of water that form in the clouds and fall from the sky to the earth. [5 definitions] |
| rainbow |
a curved arc of light of many colors across the sky. Rainbows are caused by the sun's shining through drops of water during or after a rain. |
| rain cats and dogs |
to rain very hard. |
| raincoat |
a coat that repels water to keep a person dry when it is raining. |
| raindrop |
a drop of rain. |
| rainfall |
a falling of rain. [2 definitions] |
| rainforest |
a dense evergreen forest, mostly found in tropical areas, that receives a large amount of rain all year long. |
| rainwater |
water that has come from falling rain. |
| rainy |
having much rain. |
| raise |
to move to a higher position; lift. [8 definitions] |
| raisin |
a sweet grape that has been dried for eating. |
| rake1 |
a tool that has a long handle and a row of teeth or prongs at one end. It is used to gather hay or fallen leaves or to smooth down soil. [4 definitions] |
| rally1 |
to unite again or raise the spirits of after a disappointment or failure. [5 definitions] |
| RAM |
the information a computer stores for a short time and can recall quickly. "RAM" stands for "random access memory." |