| ANAMORPHOSCOPES | • anamorphoscopes n. Plural of anamorphoscope. • ANAMORPHOSCOPE n. an optical device, such as a cylindrical lens, for correcting an image that has been distorted by anamorphosis.
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| ANTHROPOSOPHIES | • ANTHROPOSOPHY n. knowledge of the nature of humanity; human wisdom. | 
| ANTHROPOSOPHIST | • anthroposophist n. A proponent of anthroposophy. • ANTHROPOSOPHIST n. one versed in anthroposophy, knowledge of the nature of humanity.
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| ESOPHAGOSCOPIES | • esophagoscopies n. Plural of esophagoscopy. • ESOPHAGOSCOPY n. examination of the oesophagus, also OESOPHAGOSCOPY.
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| OESOPHAGOSCOPES | • oesophagoscopes n. Plural of oesophagoscope. • OESOPHAGOSCOPE n. an instrument for examining the oesophagus.
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| OMOPLATOSCOPIES | • OMOPLATOSCOPY n. divination by observing the cracks in a burning shoulder-blade. | 
| OPHTHALMOSCOPES | • ophthalmoscopes n. Plural of ophthalmoscope. • OPHTHALMOSCOPE n. an instrument for viewing the interior of the eye.
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| ORTHOPHOSPHATES | • orthophosphates n. Plural of orthophosphate. • ORTHOPHOSPHATE n. a salt or ester of orthophosphoric acid.
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| PROSOPOGRAPHERS | • PROSOPOGRAPHER n. a writer of prosopographies, biographical sketches. | 
| PROSOPOGRAPHIES | • prosopographies n. Plural of prosopography. • PROSOPOGRAPHY n. a biographical sketch; a description of person.
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| PROTOCERATOPSES | Sorry, definition not available. | 
| RADIOPHOSPHORUS | • radiophosphorus n. Radioactive phosphorus (especially when used as a tracer). • RADIOPHOSPHORUS n. a radioactive isotope of phosphorus.
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| SPORANGIOPHORES | • sporangiophores n. Plural of sporangiophore. • SPORANGIOPHORE n. a stalk to which sporangia are attached.
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| SPORANGIOSPORES | • sporangiospores n. Plural of sporangiospore. • SPORANGIOSPORE n. a spore developed in a sporangium.
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