| DOORSTEPPERS | • doorsteppers n. Plural of doorstepper. • DOORSTEPPER n. a salesman who tries to sell on the doorstep. |
| NEPHROPTOSES | • NEPHROPTOSIS n. floating kidney. |
| OPOTHERAPIES | • OPOTHERAPY n. treatment by administration of extracts of animal organs, esp. ductless glands. |
| OPPOSITENESS | • oppositeness n. The state or condition of being opposite. • OPPOSITENESS n. the state of being opposite. |
| PHOTOSPHERES | • photospheres n. Plural of photosphere. • PHOTOSPHERE n. the sun's luminous envelope. |
| PHOTOTYPESET | • phototypeset v. (Transitive) To typeset by a phototypesetting process. • PHOTOTYPESET v. to set (type matter) by phototypesetting. |
| PLECOPTEROUS | • PLECOPTEROUS adj. of or like the Plecoptera, stoneflies. |
| PLEIOTROPIES | • pleiotropies n. Plural of pleiotropy. • PLEIOTROPY n. the property of having an effect simultaneously on more than one characteristic of the offspring. |
| POCKETPHONES | • pocketphones n. Plural of pocketphone. • POCKETPHONE n. a mobile phone. |
| POSTEXPOSURE | • postexposure adj. After exposure (To radiation, pathogens, etc.). • POSTEXPOSURE adj. taking place after exposure. |
| POSTPONEMENT | • postponement n. A delay, as a formal delay in a proceeding. • POSTPONEMENT n. the act of postponing. |
| POSTPONENCES | • POSTPONENCE n. the act of postponing. |
| PREPOSTEROUS | • preposterous adj. Absurd, or contrary to common sense. • PREPOSTEROUS adj. contrary to nature, reason, or common sense. |
| SPECTROSCOPE | • spectroscope n. An optical instrument used for spectrographic analysis. • SPECTROSCOPE n. an instrument for forming spectra by dispersing rays of light. |
| SPORTSPEOPLE | • sportspeople n. Plural of sportsperson. • SPORTSPEOPLE n. people who take part in sport. |
| TOWNSPEOPLES | • TOWNSPEOPLE n. the inhabitants of a town or city. |
| TROPOSPHERES | • tropospheres n. Plural of troposphere. • TROPOSPHERE n. a region of the atmosphere from 25,000 feet to 55,000 feet, the boundary between the upper troposphere and the lower stratosphere. |