| dynamite |
a strong explosive made of nitroglycerine or ammonium nitrate. [3 definitions] |
| dynamo |
a machine for generating electricity, esp. direct current, from a different source of power. [3 definitions] |
| dynamo- |
see dyna-. |
| dynamoelectric |
of or pertaining to the conversion of mechanical energy to electric energy or vice versa. |
| dynamometer |
any of several devices for measuring the energy expended by a force. |
| dynamotor |
an electric machine that transforms direct current into alternating current. |
| dynast |
a ruler, esp. a hereditary one. |
| dynasty |
a succession, lasting several generations, of rulers from the same family or group. [2 definitions] |
| dyne |
a unit of force equal to the amount of force necessary to give a mass of one gram an acceleration of one centimeter per second per second. |
| dys- |
ill; bad; abnormal; difficult. |
| dysentery |
an infectious disease of the lower bowel, causing pain, severe diarrhea, and passage of blood and mucus. [2 definitions] |
| dysfunction |
incomplete or impaired functioning of a body part or organ. |
| dysfunctional |
not working normally, as a bodily organ; impaired. [2 definitions] |
| dyslexia |
a learning disorder characterized by difficulty in recognizing and understanding written words. |
| dyslexic |
one afflicted with dyslexia. [2 definitions] |
| dysmenorrhea |
menstruation that is difficult or painful. |
| dyspareunia |
sexual intercourse that is difficult or painful. |
| dyspepsia |
incomplete or improper digestion of food; indigestion. |
| dyspeptic |
pertaining to or afflicted with dyspepsia. [3 definitions] |
| dysphagia |
difficulty in swallowing. |
| dysphonia |
difficulty in making normal speech sounds, as because of hoarseness. |