| STRONGROOM | • strongroom n. A strongly built room or vault where valuables may be safely stored. • strong␣room n. Alternative spelling of strongroom. • STRONGROOM n. a room for the keeping of valuables etc. |
| DRAGONROOTS | • DRAGONROOT n. (US) an araceous plant (genus Arisaema) or its tuberous root, used in medicine. |
| STRONGROOMS | • strongrooms n. Plural of strongroom. • strong␣rooms n. Plural of strong room. • STRONGROOM n. a room for the keeping of valuables etc. |
| PROROGATIONS | • prorogations n. Plural of prorogation. • PROROGATION n. the act of prorogating, postponing a meeting. |
| PROTEROGYNOUS | • proterogynous adj. (Botany) Having the pistil come to maturity before the stamens; protogynous. • PROTEROGYNOUS adj. exhibiting proterogyny. |
| THOROUGHWORTS | • thoroughworts n. Plural of thoroughwort. • THOROUGHWORT n. a wild flower with perfoliate leaves. |
| CONGLOMERATORS | • conglomerators n. Plural of conglomerator. • CONGLOMERATOR n. one who conglomerates. |
| ORTHOHYDROGENS | • orthohydrogens n. Plural of orthohydrogen. • ORTHOHYDROGEN n. the form of molecular hydrogen, constituting about 75 per cent of the total at normal temperatures, in which the nuclei of the atoms spin in the same direction. |
| OSMOREGULATORY | • osmoregulatory adj. Of or pertaining to osmoregulation. • OSMOREGULATORY adj. relating to osmoregulation. |
| PROGNOSTICATOR | • prognosticator n. One who prognosticates or makes predictions; one who forecasts or guesses. • PROGNOSTICATOR n. one who prognosticates. |
| PROPORTIONINGS | • PROPORTIONING n. an adjustment of proportions. |
| ASTROPHOTOGRAPH | • astrophotograph n. Alternative form of astrophoto. • ASTROPHOTOGRAPH n. a photograph of a celestial body. |
| PROGNOSTICATORS | • prognosticators n. Plural of prognosticator. • PROGNOSTICATOR n. one who prognosticates. |
| PYROPHOTOGRAPHS | • PYROPHOTOGRAPH n. a burnt-in photograph, e.g. on glass or porcelain. |
| RETROCOGNITIONS | • retrocognitions n. Plural of retrocognition. • RETROCOGNITION n. extrasensory knowledge of past events. |
| RETROVIROLOGIES | Sorry, definition not available. |
| RETROVIROLOGIST | • retrovirologist n. One who studies retrovirology. |