| diabetes |
a disease in which there is too much blood sugar. People with diabetes are treated with insulin, which the body needs to use sugar properly. |
| diabetic |
of or resulting from diabetes. [2 definitions] |
| diabolic |
very evil; devilish. |
| diagnosis |
the act or process of finding out the nature of an illness or injury by examining its signs and symptoms. [2 definitions] |
| diagonal |
joining one corner to the opposite corner of a square, rectangle, or other flat shape with straight sides. [3 definitions] |
| diagram |
a drawing or plan that shows the parts of something or how the parts work together. [2 definitions] |
| dial |
a disk that has numbers and a moving pointer that shows time, weight, speed, or some other measure. [6 definitions] |
| dialect |
a form of a language that is spoken in a specific region or by a specific group of people. |
| dialing code |
the British word for the set of digits at the beginning of a telephone number that represents a telephone district. "Dialing code" has a meaning similar to "area code." |
| dialog box |
a window that appears on a computer screen to ask for information from the person using the computer. |
| dialogue |
a talk between two or more people or between characters in a play, film, or novel. |
| dial tone |
the steady hum or buzzing sound in a telephone receiver showing that the line is open and a number may be dialed or entered. |
| diameter |
a straight line from one side of a circle or sphere to the other that passes through the center. [3 definitions] |
| diamond |
a clear mineral that is a crystal form of pure carbon. Diamonds are the hardest natural substance known. They are used in making jewelry and as tools for cutting hard materials. [5 definitions] |
| diaper |
a baby's underwear of soft cloth or paper folded between the legs and fastened at the waist. |
| diaphragm |
a wall of muscle that separates the chest and abdomen in humans and certain animals. [2 definitions] |
| diarrhea |
a condition marked by frequent and watery bowel movements. |
| diary |
a daily record of a person's experiences and thoughts. [2 definitions] |
| dice |
small cubes with dots on each side numbering one to six. Dice are often used in pairs for board games and games of chance. [2 definitions] |
| dictate |
to say or read aloud for someone to write down or for a machine to record. [3 definitions] |
| dictator |
a ruler who has total authority. |