| dioxin |
a highly poisonous hydrocarbon that occurs as an impurity in some herbicides, defoliants, and other chemical compounds, and sometimes as a byproduct of incineration. |
| dip |
to immerse partially or temporarily in or as if in a liquid; dunk. [15 definitions] |
| diphenyl |
a pleasant-smelling crystalline compound used in preserving fruit and making dyes; biphenyl. |
| diphtheria |
a severe contagious bacterial infection whose symptoms are high fever and difficulty in breathing. |
| diphthong |
a complex sound produced by moving from one vowel sound to another within a single syllable. [2 definitions] |
| diphthongize |
to pronounce as or make into a diphthong. [2 definitions] |
| diplodocus |
any of various gigantic plant-eating dinosaurs that lived during the Jurassic period. |
| diploid |
in biology, having two of each non-sex-determining chromosome in each cell. [3 definitions] |
| diploma |
a document conferring some honor or privilege, esp. a document granted by an educational institution and certifying that the recipient has completed a course of study or earned a degree. |
| diplomacy |
the practice or skill of conducting negotiations between nations or governments. [2 definitions] |
| diplomat |
an official employed to conduct negotiations between nations or governments. [2 definitions] |
| diplomate |
a person who holds a diploma, esp. a physician or engineer certified as a specialist by a board of respected professionals. |
| diplomatic |
of or pertaining to diplomacy. [2 definitions] |
| diplomatic immunity |
exemption from local laws, granted to diplomatic personnel and their dependents while in a foreign country. |
| diplopia |
a vision disorder in which two images of the same object are seen, also called double vision. |
| dipole |
a pair of electric charges or magnetic poles that are of equal magnitude but opposite polarity. [3 definitions] |
| dipole antenna |
a radio or television antenna consisting of two equal rods that extend outward in opposite directions. |
| dipper |
someone or something that dips. [4 definitions] |
| dippy |
(slang) foolish or eccentric. |
| dipsomania |
an uncontrollable, usu. periodic craving for alcoholic drink. |
| dipstick |
a rod with graduated markings used to measure the depth of a liquid, such as oil in an automobile crankcase. |