| GONOPHORES | • gonophores n. Plural of gonophore. • GONOPHORE n. in certain flowers, an elongate structure bearing the stamens and pistil. |
| HODOSCOPES | • hodoscopes n. Plural of hodoscope. • HODOSCOPE n. an instrument for tracing paths of ionizing particles. |
| HOLOPHOTES | • holophotes n. Plural of holophote. • HOLOPHOTE n. an apparatus by which all the light from a lighthouse is thrown in the required direction. |
| HOMOPHOBES | • homophobes n. Plural of homophobe. • HOMOPHOBE n. one who dislikes homosexuals. |
| HOMOPHONES | • homophones n. Plural of homophone. • HOMOPHONE n. a word that sounds the same as another but is spelt differently e.g. 'to', 'too' and 'two'. |
| HOROSCOPES | • horoscopes n. Plural of horoscope. • HOROSCOPE n. a map of the heavens at the hour or on the day of a person's birth, by which an astrologer predicts the events of a person's life. |
| IONOPHORES | • ionophores n. Plural of ionophore. • IONOPHORE n. a chemical compound able to combine with an ion and enable it to pass through a cell membrane. |
| OPTOPHONES | • optophones n. Plural of optophone. • OPTOPHONE n. a device transforming light into sound. |
| ORTHOSCOPE | • orthoscope n. An instrument for examining the interior of an eye. • orthoscope n. An instrument for drawing projections of a skull. • ORTHOSCOPE n. a nineteenth century instrument for viewing the fundus of the eye through a layer of water, which eliminates distortion caused by the cornea. |
| PERSONHOOD | • personhood n. The state or period of being a person. • personhood n. The status of being considered as a person. • PERSONHOOD n. being a person. |
| PHONOPORES | • phonopores n. Plural of phonopore. • PHONOPORE n. a kind of sound-conducting apparatus. |
| PHONOSCOPE | • phonoscope n. A device that shows images demonstrating the movement of a person’s face as they speak. • phonoscope n. (Historical) An early kind of microphone. • PHONOSCOPE n. a device that renders visible the vibrations of sound waves. |
| POORHOUSES | • poorhouses n. Plural of poorhouse. • poor␣houses n. Plural of poor house. • POORHOUSE n. (historical) a place of residence for people too poor to support themselves. |
| SOPHOMORES | • sophomores n. Plural of sophomore. • SOPHOMORE n. a second year student in an American college. |
| SPOROPHORE | • sporophore n. A spore-producing organ, especially a fungus hypha specialized to carry spores. • sporophore n. A sporophyte, or spore-producing plant. • SPOROPHORE n. a spore-bearing stalk or structure, as in fungi. |