| BUPROPION | • bupropion n. (Pharmacology) An antidepressant drug which is also given to relieve the symptoms of nicotine withdrawal. • BUPROPION n. an antidepressant drug used in the treatment of nicotine addiction. | 
| CAMPION | • campion n. Some flowering plants of the genus Lychnis. • campion n. Any flowering plant of the genus Silene. • Campion prop.n. A surname from Anglo-Norman. | 
| CHAMPION | • champion n. An ongoing winner in a game or contest. • champion n. Someone who is chosen to represent a group of people in a contest. • champion n. Someone who fights for a cause or status. | 
| COCHAMPION | • cochampion n. Joint champion. • COCHAMPION n. a joint champion. | 
| DUPION | • dupion n. A double cocoon, made by two silkworms. • dupion n. The silk from a double cocoon. • DUPION n. (French) a coarse silk, also DOUPIONI, DOUPPIONI. | 
| ECTROPION | • ectropion n. A condition of loose eyelids, characterized by the turning outward of the lower eyelid. • ectropion n. A condition of the cervix, characterized by the cells of the endocervix being present in the location… • ECTROPION n. an unnatural eversion of the eyelids, also ECTROPIUM. | 
| ENCOLPION | • encolpion n. Alternative form of encolpium. • ENCOLPION n. (Greek) a reliquary; a cross worn on the breast, also ENCOLPIUM. | 
| ENTROPION | • entropion n. (Pathology) An inversion (turning inward) of the margin of the eyelid. • ENTROPION n. (Greek) the inversion or turning in of the border of the eyelids, also ENTROPIUM. | 
| LAMPION | • lampion n. A small oil lamp. • LAMPION n. an oil lamp, often in a decorative coloured-glass pot. | 
| MULTIPION | • multipion adj. Involving multiple pions. • multipion n. A multiple pion. • MULTIPION adj. comprising many pions, pi-meson particles. | 
| PION | • pion n. (Physics) Any of three semistable mesons, having positive, negative or neutral charge, composed of up… • PION n. an elementary particle of the meson family. | 
| POMPION | • pompion n. Alternative form of pumpion. • POMPION n. (obsolete) a pumpkin, also PUMPION, PUNKIN. | 
| PSEUDOSCORPION | • pseudoscorpion n. An arachnid belonging to the order Pseudoscorpiones, also known as Pseudoscorpionida or Chelonethida. • PSEUDOSCORPION n. any of various small arachnids of the order Pseudoscorpiones, resembling a scorpion but tailless, and found in soil, leaf litter, bark, etc. | 
| PUMPION | • pumpion n. (Archaic) Pumpkin. • PUMPION n. (obsolete) a pumpkin, also POMPION, PUNKIN. | 
| RAMPION | • rampion n. A species of bellflower with roots and leaves formerly used in salads, Campanula rapunculus. • rampion n. Any of several flowering plants of the genus Phyteuma, within the family Campanulaceae. • RAMPION n. a European plant. | 
| SCORPION | • scorpion n. Any of various arachnids of the order Scorpiones, related to the spiders, characterised by two large… • scorpion n. (Historical) An ancient military engine for hurling stones and other missiles. • scorpion n. (Figurative) A very spiteful or vindictive person. | 
| TAMPION | • tampion n. A wooden plug, or a metal or canvas cover, for the muzzle of a gun, cannon, or other piece of ordnance… • tampion n. (Music) A plug for the upper end of an organ pipe. • tampion n. Obsolete form of tampon (“plug of absorbent material inserted into a body cavity or wound to absorb fluid”). | 
| TOMPION | • tompion n. Alternative spelling of tampion. • TOMPION n. (French) a protective plug placed in mouth of gun or cannon, also TAMPION. | 
| USUCAPION | • usucapion n. The acquisition of right or title to an object by means of the passage of time. The common law analogue… • USUCAPION n. the acquisition of a property through long usage, also USUCAPTION. |