| CHRONOSCOPE | • chronoscope n. An optical instrument used to measure very small time intervals with precision. • chronoscope n. (Science fiction) A device for viewing the past or the future. • CHRONOSCOPE n. an instrument for measuring very short time intervals. |
| GONORRHOEAS | • gonorrhoeas n. Plural of gonorrhoea. • gonorrhœas n. Plural of gonorrhœa. • GONORRHOEA n. a sexually transmitted contagious infection of the mucous membrane of the genital tract, also GONORRHEA. |
| HOLOHEDRONS | • holohedrons n. Plural of holohedron. • HOLOHEDRON n. a geometrical form possessing the property of holohedrism. |
| MONOCHROMES | • monochromes n. Plural of monochrome. • MONOCHROME n. a painting or drawing in a single color. |
| MONOSTROPHE | • monostrophe n. A metrical composition having a single strophe. • MONOSTROPHE n. a poem in which all the stanzas or strophes are written in the same metre. |
| OCTOHEDRONS | • octohedrons n. Plural of octohedron. • OCTOHEDRON n. (Greek) a solid bounded by eight plane faces, also OCTAHEDRON. |
| ORPHEOREONS | • orpheoreons n. Plural of orpheoreon. • ORPHEOREON n. a large lute-like stringed instrument with six to nine metal strings, also ORPHARION. |
| ORTHOPNOEAS | • orthopnoeas n. Plural of orthopnoea. • ORTHOPNOEA n. the ability to breathe in an upright position only. |
| OVERHONOURS | • OVERHONOUR v. to honour excessively, also OVERHONOR. |
| OZONOSPHERE | • ozonosphere n. A layer in part of the stratosphere that has a larger than normal concentration of ozone; the ozone layer. • OZONOSPHERE n. the ozone layer. |
| PERSONHOODS | • personhoods n. Plural of personhood. • PERSONHOOD n. being a person. |
| PHONOPHORES | • phonophores n. Plural of phonophore. • PHONOPHORE n. a sound-conducting apparatus, of various kinds; a device for telephoning and telegraphing simultaneously by the same wire. |
| PHOTOSENSOR | • photosensor n. A photodetector. • PHOTOSENSOR n. a detector that is sensitive to electromagnetic radiation. |