| ANTIARRHYTHMICS | • antiarrhythmics n. Plural of antiarrhythmic. • ANTIARRHYTHMIC n. a drug to prevent cardiac arrhythmia. |
| BRACHYTHERAPIES | • brachytherapies n. Plural of brachytherapy. • BRACHYTHERAPY n. a medical procedure used in the treatment of prostate cancer. |
| HEMATOPORPHYRIN | • hematoporphyrin n. (Biochemistry) The porphyrin portion of heme (minus the iron atom). • HEMATOPORPHYRIN n. any of several porphyrins that are hydrated derivatives of protoporphyrins. |
| HYDROTHERAPISTS | • hydrotherapists n. Plural of hydrotherapist. • HYDROTHERAPIST n. a practitioner of hydrotherapy. |
| HYETOMETROGRAPH | • HYETOMETROGRAPH n. an instrument for recording rainfall. |
| ORTHOPSYCHIATRY | • orthopsychiatry n. (Psychiatry) branch of psychiatry concerned with the prevention of mental illness, especially in the young. • ORTHOPSYCHIATRY n. preventive psychiatry for young people. |
| PHARMACOTHERAPY | • pharmacotherapy n. (Medicine) The use of pharmaceuticals to treat disease. • PHARMACOTHERAPY n. the treatment of disease and esp. mental illness with drugs. |
| PHYTOGEOGRAPHER | • phytogeographer n. A person involved in phytogeography. • PHYTOGEOGRAPHER n. a student of phytogeography. |
| PYROPHOTOGRAPHS | • PYROPHOTOGRAPH n. a burnt-in photograph, e.g. on glass or porcelain. |
| PYROPHOTOGRAPHY | • pyrophotography n. (Photography) Any photographic process involving the use of heat to fix the picture. • PYROPHOTOGRAPHY n. the production of pyrophotographs. |
| STAPHYLORRHAPHY | • staphylorrhaphy n. The operation of uniting a cleft palate by paring and bringing together the edges of the cleft. • STAPHYLORRHAPHY n. the operation of uniting a cleft palate. |
| TACHYARRHYTHMIA | • tachyarrhythmia n. (Cardiology) pathological tachycardia. • TACHYARRHYTHMIA n. arrhythmia characterized by a rapid irregular heartbeat. |