| GONOPHORES | • gonophores n. Plural of gonophore. • GONOPHORE n. in certain flowers, an elongate structure bearing the stamens and pistil. |
| 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'. |
| 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. |
| ORPHEOREON | • orpheoreon n. Alternative form of orpharion. • ORPHEOREON n. a large lute-like stringed instrument with six to nine metal strings, also ORPHARION. |
| ORTHOPNOEA | • orthopnoea n. Shortness of breath when lying flat, causing the person to have to sleep propped up in bed or sitting in a chair. • orthopnœa n. Obsolete spelling of orthopnoea. • ORTHOPNOEA n. the ability to breathe in an upright position only. |
| 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. |
| PHONOPHORE | • phonophore n. The phonetic component of a character in Chinese and related writing systems. • phonophore n. A type of telegraph. • PHONOPHORE n. a sound-conducting apparatus, of various kinds; a device for telephoning and telegraphing simultaneously by the same wire. |
| 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. |
| PHOTONOVEL | • photonovel n. A story illustrated with photographs and text captions. • PHOTONOVEL n. a novel in the form of a series of photographs with speech balloons. |
| PHOTOPHONE | • photophone n. (Historical) A device that transmitted sound on a beam of light. • photophone n. (Obsolete) A home phone with integral picture frame. • photophone n. (Dated) A stills-only cameraphone. Used to distinguish from video-capable camera cellphones and camera-less… |