| CATHETOMETER | • cathetometer n. An instrument used to measure small vertical distances, such as the levels of liquid in tubes. • CATHETOMETER n. an instrument for measuring short vertical distances. |
| CEPHALOMETER | • cephalometer n. An instrument for measuring the head. • cephalometer n. A device for positioning the head, and holding it steady, for an X-ray or surgery; a cephalostat. • CEPHALOMETER n. an instrument for positioning the human head for X-ray examination in cephalometry. |
| EPIPHENOMENA | • epiphenomena n. Plural of epiphenomenon. • EPIPHENOMENON n. a secondary phenomenon associated with and apparently due to another. |
| HAEMATOCELES | • haematoceles n. Plural of haematocele. • HAEMATOCELE n. a cavity containing blood, also HEMATOCELE. |
| HAEMOPOIESES | • HAEMOPOIESIS n. the formation of blood, also HAEMATOPOIESIS, HEMATOPOIESIS, HEMOPOIESIS. |
| HETEROGAMETE | • heterogamete n. Either of a pair of conjugating gametes that differ in structure or behaviour, such as the spermatozoon and the ovum. • HETEROGAMETE n. male and female sex cells are different. |
| HETEROGAMETY | • heterogamety n. (Biology) The production of gametes of different ploidy by an individual of one sex of an organism. • HETEROGAMETY n. the state of being heterogametic. |
| HETEROGAMIES | • heterogamies n. Plural of heterogamy. • HETEROGAMY n. the process of fertilization in plants by an indirect or circuitous method. |
| HEXAHEMERONS | • HEXAHEMERON n. the (biblical) six days of creation, also HEXAEMERON. |
| HOMESTEADERS | • homesteaders n. Plural of homesteader. • HOMESTEADER n. one who occupies a homestead. |
| METATHEORIES | • metatheories n. Plural of metatheory. • METATHEORY n. philosophical discussion of the foundations, structure, or results of some theory, such as metamathematics. |
| METHANOMETER | • methanometer n. An instrument, resembling a eudiometer, used to detect the presence and amount of methane, as in coal mines. • METHANOMETER n. instrument for detecting presence of methane. |
| METHOTREXATE | • methotrexate n. (Pharmacology) An antimetabolite and antifolate drug used in treatment of cancer and autoimmune diseases. • METHOTREXATE n. a drug used in the treatment of cancer. |
| OVEREMPHASES | • overemphases n. Plural of overemphasis. • OVEREMPHASIS n. excessive emphasis. |
| SPELAEOTHEMS | • SPELAEOTHEM n. a term for depositional features, such as stalactites and stalagmites, found in caves, also SPELEOTHEM. |
| TACHEOMETERS | • tacheometers n. Plural of tacheometer. • TACHEOMETER n. an instrument for rapidly measuring survey points on a map. |
| TROCHEAMETER | • trocheameter n. (Historical) A device attached to the wheel of a cart, carriage, etc. to measure distance travelled. • TROCHEAMETER n. a hodometer, also TROCHOMETER. |
| WAREHOUSEMEN | • warehousemen n. Plural of warehouseman. • WAREHOUSEMAN n. a person who manages or works in a warehouse. |
| WEATHERWOMEN | • weatherwomen n. Plural of weatherwoman. • Weatherwomen n. Plural of Weatherwoman. • WEATHERWOMAN n. a woman who delivers the weather forecast. |