| AEROPHORE | • aerophore n. (Botany) A thin-walled area of the roots of some plants growing in swampy conditions through which gasses… • aerophore n. (Medicine) Aerophore pulmonaire; a respirator for use with neonates and small animals developed by French… • aerophore n. (Historical) A predecessor of the radio, invented by Rene Homer in the early 1900s for communication between ships. |
| ARTHROPOD | • arthropod n. An invertebrate animal of the phylum Arthropoda, characterized by a chitinous exoskeleton and multiple… • ARTHROPOD n. any member of the phylum Arthropoda, members of which (e.g. insects, arachnids, and crustaceans) are characterized by segmented bodies and jointed limbs. |
| HARPOONER | • harpooner n. A person who uses a harpoon, especially to hunt whales. • HARPOONER n. one who uses a harpoon, also HARPOONEER. |
| HOROPTERS | • horopters n. Plural of horopter. • HOROPTER n. a set of points which have the same visual angle. |
| HOVERPORT | • hoverport n. A terminal for hovercraft. • HOVERPORT n. a port for hovercraft. |
| OROGRAPHY | • orography n. (Geomorphology) the scientific study, or a physical description of mountains. • orography n. The orographic features of a region. • OROGRAPHY n. the branch of physical geography which deals with the formation and features of mountains, also OREOGRAPHY. |
| ORPHARION | • orpharion n. (Music) A musical instrument of the Renaissance, part of the cittern family, whose metal strings are… • ORPHARION n. a large lute-like stringed instrument with six to nine metal strings, also ORPHEOREON. |
| ORTHOPTER | • orthopter n. Any insect of the order Orthoptera. • orthopter n. Synonym of ornithopter. • ORTHOPTER n. a type of aircraft propelled with flapping wings. |
| PORPHYRIO | • porphyrio n. A swamphen. • Porphyrio prop.n. A taxonomic genus within the family Rallidae – swamp hen. • PORPHYRIO n. any bird of the purple-coot genus Porphyrio. |
| PRONGHORN | • pronghorn n. A North American mammal, Antilocapra americana, that resembles an antelope. • PRONGHORN n. a North American ruminant, the sole member of the family Antilocapridae, resembling an antelope but having deciduous hooked horns in the male. |
| PROTHORAX | • prothorax n. (Entomology) The anterior segment of the insect thorax; it carries the first pair of legs. • PROTHORAX n. the first or anterior segment of the thorax in insects. |
| PYORRHOEA | • pyorrhoea n. Flowing or discharge of pus; periodontitis. • pyorrhœa n. Alternative spelling of pyorrhea. • PYORRHOEA n. suppuration in the sockets of the teeth, also PYORRHEA. |
| RHEOTROPE | • rheotrope n. An instrument for reversing the direction of an electric current. • RHEOTROPE n. an instrument for reversing the direction of an electric current. |
| ROTOGRAPH | • rotograph n. A photograph printed by a process in which a strip or roll of sensitized paper is automatically fed… • rotograph v. (Transitive) To print by this process. • ROTOGRAPH v. to make a photograph by laying negative on sensitive paper. |
| XEROMORPH | • xeromorph n. Any plant, with xeromorphic leaves, that is adapted to a dry atmosphere; a xerophyte. • XEROMORPH n. a plant thriving in desert conditions, a xerophyte. |