| IMPERATORS | • imperators n. Plural of imperator. • IMPERATOR n. (Latin) a commander; an emperor. |
| MISREPORTS | • misreports v. Third-person singular simple present indicative form of misreport. • MISREPORT v. to report erroneously; to give an incorrect account of. |
| MOTORSPORT | • motorsport n. Auto racing. • motorsport n. Any sport involving automobiles (motor cars) other than racing; e.g. time trials. |
| ORTHOPRISM | • ORTHOPRISM n. in monoclinic crystals, a form consisting of two faces parallel to the orthodiagonal. |
| OVERTRUMPS | • overtrumps v. Third-person singular simple present indicative form of overtrump. • OVERTRUMP v. to trump with a higher card than the trump already played. |
| PERMAFROST | • permafrost n. Permanently frozen ground, or a specific layer thereof. • PERMAFROST n. permanently frozen subsoil. |
| PERMEATORS | • permeators n. Plural of permeator. • PERMEATOR n. something or someone that permeates. |
| PETROGRAMS | • petrograms n. Plural of petrogram. • PETROGRAM n. a picture on stone. |
| PREEMPTORS | • preemptors n. Plural of preemptor. • preëmptors n. Plural of preëmptor. • PREEMPTOR n. one who preempts. |
| PREFORMATS | • preformats v. Third-person singular simple present indicative form of preformat. • PREFORMAT v. to format in advance. |
| PROMPTURES | • promptures n. Plural of prompture. • PROMPTURE n. (Shakespeare) a suggestion. |
| PROSTERNUM | • prosternum n. (Zoology) The ventral plate of the prothorax of an insect. • PROSTERNUM n. the sternum of the prothorax of insects. |
| PROTODERMS | • protoderms n. Plural of protoderm. • PROTODERM n. the dermatogen, the nascent epidermis, or external cuticle of plants in a forming condition. |
| PYROMETERS | • pyrometers n. Plural of pyrometer. • PYROMETER n. an instrument for measuring very high temperatures. |
| SPIROMETER | • spirometer n. (Medicine) An instrument for measuring the air capacity of the lungs. • SPIROMETER n. an instrument measuring lung capacity. |
| SPIROMETRY | • spirometry n. (Medicine) The measurement of the volume of air that a person can move into and out of the lungs, using a spirometer. • SPIROMETRY n. the act of measuring the chest capacity by means of a spirometer. |
| STORMPROOF | • stormproof adj. Capable of resisting a storm. • storm-proof adj. Alternative form of stormproof. • STORMPROOF adj. proof against bad weather. |
| STRIPOGRAM | • stripogram n. Alternative form of strippergram. • STRIPOGRAM n. a message deliver by a messenger who performs a striptease act for the recipient, also STRIPAGRAM, STRIPPAGRAM, STRIPPERGRAM. |
| SUPERSTORM | • superstorm n. A major storm (weather phenomenon). • SUPERSTORM n. an extremely powerful storm that causes widespread devastation. |
| TEMPORISER | • temporiser n. Alternative form of temporizer. • TEMPORISER n. one who temporises, also TEMPORIZER. |