| pollution |
the act or process, or an instance, of polluting. [3 definitions] |
| Pollux |
a yellow star in the constellation Gemini, having a magnitude of 1.1. |
| Pollyanna |
in an early twentieth-century novel by Eleanor H. Porter, the heroine and title character, who is always happy and optimistic. [2 definitions] |
| polo |
a game played on horseback by two teams of three or four members each who use long-handled mallets to drive a small wooden ball into the opponent's goal. |
| polonaise |
a slow, stately dance of Polish origin, consisting mainly of a promenade. [2 definitions] |
| polonium |
a chemical element that has eighty-four protons in each nucleus and that occurs naturally in many highly toxic radioactive isotopes. (symbol: Po) |
| polo shirt |
a pullover sport shirt of knitted cotton or a cotton blend, usu. having a soft collar and a button placket. |
| poltergeist |
a supernatural presence that manifests itself by making noises and causing objects to move. |
| poltroon |
a despicable coward. |
| poly- |
many; several. [2 definitions] |
| polyandrous |
of, characterized by, or practicing polyandry. (Cf. monandrous.) [2 definitions] |
| polyandry |
the practice or condition of having more than one husband at a time. (Cf. monandry.) [3 definitions] |
| polyanthus |
any of a number of primroses bearing flowers in clusters. [2 definitions] |
| polycarbonate |
any of a group of carbonate-containing polymers, such as the polymer found in many water bottles. |
| polycarpic |
able to produce fruit many times, as perennial plants. [2 definitions] |
| polycentrism |
in a communist political system, the existence of separate centers of authority. |
| Polychaeta |
a class of worms in the phylum Annelida characterized by bristled appendages and usu. living in ocean water. |
| polychaete |
any segmented worm of the class Polychaeta characterized by bristled appendages on each segment and usu. living in ocean water; bristle worms. |
| polychlorinated biphenyl |
see "PCB." |
| polychrome |
having many or varied colors; multicolored. [4 definitions] |
| polyclinic |
a clinic or hospital that treats every kind of disease or injury. |