| GYROCOMPASS | • gyrocompass n. A north-seeking form of gyroscope used as a directional reference in navigation. • gyrocompass v. To use a gyrocompass. • gyro␣compass n. Alternative form of gyrocompass. |
| PSYCHOGRAMS | • psychograms n. Plural of psychogram. • PSYCHOGRAM n. writing supposedly produced under influence of spirits. |
| LARYNGOSPASM | • laryngospasm n. An uncontrolled, spasmodic closure of the larynx. • LARYNGOSPASM n. spasmodic closure of the larynx. |
| MYOGRAPHISTS | • MYOGRAPHIST n. one who operates a myograph. |
| SEISMOGRAPHY | • seismography n. The measurement and recording of earthquakes and other ground vibrations. • seismography n. The study of these records, seismology. • SEISMOGRAPHY n. measurement by use of the seismograph. |
| SPHYGMOGRAMS | • sphygmograms n. Plural of sphygmogram. • SPHYGMOGRAM n. a sphygmograph record. |
| CRYPTOGAMISTS | • cryptogamists n. Plural of cryptogamist. • CRYPTOGAMIST n. one who studies cryptogams. |
| GYROCOMPASSES | • gyrocompasses n. Plural of gyrocompass. • gyro␣compasses n. Plural of gyro compass. • GYROCOMPASS n. a compass which indicates direction by the freely moving axis of a rapidly spinning wheel. |
| LARYNGOSPASMS | • laryngospasms n. Plural of laryngospasm. • LARYNGOSPASM n. spasmodic closure of the larynx. |
| PROGYMNASIUMS | • PROGYMNASIUM n. in Germany, a gymnasium for pupils up to age 16 only, at which university entrance qualifications are not obtainable. |
| SPHYGMOGRAPHS | • sphygmographs n. Plural of sphygmograph. • SPHYGMOGRAPH n. an instrument for recording the pulse. |
| PLETHYSMOGRAMS | • plethysmograms n. Plural of plethysmogram. • PLETHYSMOGRAM n. a tracing made by a plethysmograph. |
| MEGASPOROPHYLLS | • megasporophylls n. Plural of megasporophyll. • MEGASPOROPHYLL n. a specialised leaf bearing or subtending one or more megasporangia. |
| PLETHYSMOGRAPHS | • plethysmographs n. Plural of plethysmograph. • PLETHYSMOGRAPH n. an instrument for measuring change in body part size due to blood flow. |
| PYRAMIDOLOGISTS | • pyramidologists n. Plural of pyramidologist. • PYRAMIDOLOGIST n. a specialist in pyramidology. |
| SPHYGMOGRAPHIES | • SPHYGMOGRAPHY n. the measurement of the pulse. |
| SYMBOLOGRAPHIES | • SYMBOLOGRAPHY n. symbolic writing or representation. |