| GEOPHYSICISTS | • geophysicists n. Plural of geophysicist. • GEOPHYSICIST n. a student of geophysics. | 
| 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. | 
| HYPOSENSITISING | • hyposensitising v. Present participle of hyposensitise. • HYPOSENSITISE v. to cause (a person) to become less sensitive to (a substance producing an allergic reaction), also HYPOSENSITIZE. | 
| PASSAGEWAYS | • passageways n. Plural of passageway. • PASSAGEWAY n. a way that allows passage. | 
| PHYSIOLOGUSES | • PHYSIOLOGUS n. a work containing descriptions of animals; a bestiary. | 
| PHYSOSTIGMINES | • physostigmines n. Plural of physostigmine. • PHYSOSTIGMINE n. an alkaloid found in the Calabar bean used esp. in eye drops to reduce pressure inside the eyeball, aka eserine, also PHYSOSTIGMIN. | 
| PREPOSSESSINGLY | • prepossessingly adv. In a prepossessing manner. • PREPOSSESSING adv. creating a favorable impression; attractive. | 
| PSYCHOGASES | • PSYCHOGAS n. a gas which makes a person's performance deteriorate very seriously without his being aware of it. | 
| PSYCHOGENESES | • psychogeneses n. Plural of psychogenesis. • PSYCHOGENESIS n. the origin and development of the mind. | 
| PSYCHOGENESIS | • psychogenesis n. The origin and development of psychological processes such as personality and behaviour. • psychogenesis n. The development of a physical disorder from a psychological factor. • PSYCHOGENESIS n. the origin and development of the mind. | 
| PSYCHOGNOSES | • PSYCHOGNOSIS n. the use of hypnosis to study mental phenomena; the study of personality by observation of outward bodily sign. | 
| PSYCHOLOGISES | • psychologises v. Third-person singular simple present indicative form of psychologise. • PSYCHOLOGISE v. to speculate in psychological terms or on psychological motivations, also PSYCHOLOGIZE. | 
| PSYCHOSURGEONS | • psychosurgeons n. Plural of psychosurgeon. • PSYCHOSURGEON n. a practitioner of psychosurgery. | 
| PSYCHOSURGERIES | • psychosurgeries n. Plural of psychosurgery. • PSYCHOSURGERY n. cerebral surgery employed in treating psychic symptoms. | 
| SPHYGMOSCOPES | • sphygmoscopes n. Plural of sphygmoscope. • SPHYGMOSCOPE n. an instrument for making arterial pulsations visible. | 
| SPHYGMUSES | • SPHYGMUS n. (Greek) the pulse. | 
| SPYGLASSES | • spyglasses n. Plural of spyglass. • SPYGLASS n. a small telescope. |