something or someone that gives you an idea or gives you the desire to do something
Thoreau got his inspiration from the world around him.

a legal right to an invention by a person or company that prevents anyone else from making or selling that product
Many companies have patents for their products so no one else can make the same item.

the liquid which comes out on the surface of your skin when you are hot or frightened
The athlete ran so much that the perspiration was flowing off his head like a stream.

a device that is able to make sounds from a record
Old phonographs can still be found in resale shops with the big round records they played.

producing something in large quantities
Isaac Asimov was a prolific writer, having written over 9,000 letters and books in his lifetime.