| AEROSPHERES | • aerospheres n. Plural of aerosphere. • AEROSPHERE n. the entire atmosphere surrounding the earth. |
| ARCHESPORES | • archespores n. Plural of archespore. • ARCHESPORE n. the cell or group of cells in a sporangium that gives rise to spores. |
| ASTROSPHERE | • astrosphere n. A cavity filled with hot gas blown into the interstellar medium by stellar winds. • ASTROSPHERE n. another name for a centrosome. |
| DEMOGRAPHER | • demographer n. A person who studies demography. • DEMOGRAPHER n. a student of demography. |
| GEOGRAPHERS | • geographers n. Plural of geographer. • GEOGRAPHER n. a specialist in geography. |
| HARPOONEERS | • harpooneers n. Plural of harpooneer. • HARPOONEER n. one who uses a harpoon, also HARPOONER. |
| HETEROPOLAR | • heteropolar adj. Of an electric generator that produces alternating current. • heteropolar adj. (Chemistry) Formed by ions of opposite charge. • HETEROPOLAR adj. polar, in the chemical sense. |
| HORSEPLAYER | • horseplayer n. (Gambling) A person who bets on horse races. • HORSEPLAYER n. one who habitually bets on horse races. |
| HYPERBOREAN | • hyperborean n. (Greek mythology) One of a race of people living in the extreme north, beyond the north wind. • hyperborean n. (Usually humorous) Any person living in a northern country, or to the north. • hyperborean adj. Pertaining to the extreme north of the earth, or (usually jocular) to a specific northern country or area. |
| HYPEROREXIA | • HYPEROREXIA n. compulsive overeating. |
| KERATOPHYRE | • keratophyre n. (Petrography) A compact porphyritic rock composed of alkali-feldspars and diopside, and possibly including quartz. • KERATOPHYRE n. a fine-grained soda trachyte. |
| OREPEARCHED | • OREPEARCH v. (Shakespeare) to fly up and perch on, also OVERPERCH. |
| OREPEARCHES | • OREPEARCH v. (Shakespeare) to fly up and perch on, also OVERPERCH. |
| OVERHAPPIER | • OVERHAPPY adj. exceedingly happy. |
| PERCHLORATE | • perchlorate n. (Chemistry) any salt of perchloric acid; used in pyrotechnics and as powerful oxidizing agents. • PERCHLORATE n. a salt or ester of perchloric acid. |
| REPROACHERS | • reproachers n. Plural of reproacher. • REPROACHER n. one who reproaches. |
| SEROTHERAPY | • serotherapy n. (Medicine) The therapeutic use of sera or vaccines. • SEROTHERAPY n. treatment with a serum or antitoxin. |
| SHOPBREAKER | • shopbreaker n. One who breaks into a shop with unlawful intent. • SHOPBREAKER n. a person who breaks into a shop. |
| STEREOGRAPH | • stereograph n. A pair of stereoscopic images that give a three-dimensional effect when viewed through a stereoscope… • stereograph v. (Transitive) To create a stereograph of. • STEREOGRAPH n. a picture used in stereoscope. |
| XEROGRAPHER | • xerographer n. A xerography machine; a photocopier. • XEROGRAPHER n. one who practises xerography. |