| EOSINOPHILS | • eosinophils n. Plural of eosinophil. • EOSINOPHIL n. a type of white blood cell, so called because it is easily stained by eosin, also EOSINOPHILE. |
| HOUSEPERSON | • houseperson n. A househusband or housewife. • HOUSEPERSON n. a person who does housekeeping. |
| IONOSPHERES | • ionospheres n. Plural of ionosphere. • IONOSPHERE n. a region of the upper atmosphere. |
| MESONEPHROS | • mesonephros n. (Biology) The second of the three excretory organs of the developing embryo; the Wolffian body. • MESONEPHROS n. the second of the three segments of the embryonic kidney in vertebrates. |
| NEPHOSCOPES | • nephoscopes n. Plural of nephoscope. • NEPHOSCOPE n. an instrument for observing direction and velocity of clouds. |
| PERSONHOODS | • personhoods n. Plural of personhood. • PERSONHOOD n. being a person. |
| PHONOSCOPES | • phonoscopes n. Plural of phonoscope. • PHONOSCOPE n. a device that renders visible the vibrations of sound waves. |
| PHOTOSENSOR | • photosensor n. A photodetector. • PHOTOSENSOR n. a detector that is sensitive to electromagnetic radiation. |
| RHINOSCOPES | • rhinoscopes n. Plural of rhinoscope. • RHINOSCOPE n. an instrument for examining the nose. |
| SNAPSHOOTER | • snapshooter n. (Photography) A photographer; someone who takes snapshots. • snapshooter n. A camera designed specifically for taking snapshots. • SNAPSHOOTER n. one who takes snapshots. |
| SOUSAPHONES | • sousaphones n. Plural of sousaphone. • SOUSAPHONE n. a musical instrument similar to a tuba. |
| SPHENODONTS | • sphenodonts n. Plural of sphenodont. • SPHENODONT n. a member of the Sphenodont group of lizards, to which the tuatara belongs. |
| STYLOPHONES | • stylophones n. Plural of stylophone. • STYLOPHONE n. a type of battery-powered electronic instrument played with a steel-tipped pen-like stylus. |
| VISIOPHONES | • VISIOPHONE n. a videophone. |