| crop |
a pouch in the digestive system of a bird, between its mouth and stomach. The crop stores food and prepares it for digestion. [1/7 definitions] |
| decimal |
a number in the base ten system written with a decimal point. Money amounts are written as decimals. [1/3 definitions] |
| digestive system |
the parts of the body that work together to break down food so that it can be used by the body as energy. The human digestive system includes the mouth, esophagus, stomach, and intestines. |
| earth |
(often capitalized) the fifth largest planet in our solar system and the third in distance from the sun. [1/4 definitions] |
| economic |
having to do with the money system. |
| economy |
the system of how money is made and used within a particular country or region. A region's economy is connected with things like how many goods and services are produced and how much money people can spend on these things. [1/2 definitions] |
| email |
the practice or system by which written messages are sent from one computer to another; electronic mail. [1/4 definitions] |
| epilepsy |
a nervous system disorder that causes convulsions and unconsciousness. |
| federal |
having to do with a system of government that unites several states under a central government. The states have their own governments, yet they recognize the rule of the central government as well. [1/2 definitions] |
| feudalism |
a political and economic system in Europe and Japan during the Middle Ages. Royal or noble families owned the land and allowed people to live on and farm the land in return for a share of the crops and their service in war. |
| government |
the type of system by which a community, state, or nation is governed. [1/3 definitions] |
| gram1 |
the basic unit of weight in the metric system, equal to one thousandth of a kilogram or 0.0353 ounce. (abbreviated: g) |
| headphone |
(usually plural) a sound receiver for a radio or stereo system that is held over one or both ears by a band; earphones. |
| Hinduism |
the main religion of India, which has many gods that are part of the same supreme being. Hinduism has a strict system of social classes and a belief that the soul can be born again after death into a different body. |
| ignition |
a device for getting something to burn by means of a spark or friction. In a car or other vehicle, the ignition is the device or system that ignites the fuel to start the engine. [1/2 definitions] |
| industrial |
having a very current system of industries. [1/2 definitions] |
| intercom |
a system or device that allows communication from room to room. |
| intestine |
(usually plural) the lower part of the digestive system, below the stomach. The intestine is a long, coiled tube. It is divided into the small intestine and the large intestine. |
| Jupiter |
the largest planet in the solar system and fifth in distance from the sun. Jupiter has sixteen moons and is more than one thousand times larger than Earth. [1/2 definitions] |
| karaoke |
a kind of music entertainment system that plays the music of popular songs, but leaves out the vocals. This allows a person to sing along with the music. Karaoke was invented in Japan. |
| language |
the system of spoken or written words with which people communicate thoughts, ideas, or feelings. [2/3 definitions] |