| CATASTROPHIST | • catastrophist adj. Of, having, or being a theory that explains a situation by positing one or more catastrophic events… • catastrophist n. A catastrophist person: a person who subscribes to a catastrophist theory.
 • CATASTROPHIST n. a believer in catastrophism.
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| CONTRAPUNTIST | • contrapuntist n. (Music) One skilled in counterpoint. • CONTRAPUNTIST n. one who writes counterpoint.
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| PARTITIONISTS | • partitionists n. Plural of partitionist. • PARTITIONIST n. an advocate of political partition.
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| POSTDOCTORATE | • postdoctorate adj. Postdoctoral. • postdoctorate n. Synonym of postdoc.
 • POSTDOCTORATE n. a degree after a doctorate.
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| POSTLITERATES | Sorry, definition not available. | 
| POSTTRAUMATIC | • posttraumatic adj. After, or as a result of, a trauma. • post-traumatic adj. Alternative spelling of posttraumatic.
 • POSTTRAUMATIC adj. taking place after trauma.
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| POSTTREATMENT | • posttreatment adj. Following treatment. • POSTTREATMENT n. any treatment given after an injury, incident, etc.
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| PROSTATECTOMY | • prostatectomy n. (Surgery) The surgical removal of part or all of the prostate gland. • PROSTATECTOMY n. the surgical removal of the prostate gland.
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| PROSTATITISES | • PROSTATITIS n. inflammation of the prostate gland. | 
| PROTECTORATES | • protectorates n. Plural of protectorate. • PROTECTORATE n. an area governed by a protector.
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| PROTESTATIONS | • protestations n. Plural of protestation. • PROTESTATION n. an avowal or solemn declaration.
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| PYROTARTRATES | • pyrotartrates n. Plural of pyrotartrate. • PYROTARTRATE n. a salt of tartaric acid.
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| STREPITATIONS | • STREPITATION n. a clamour. | 
| THEANTHROPIST | • theanthropist n. A proponent of theanthropism. • THEANTHROPIST n. one who believes that gods can take human forms.
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| TRAINSPOTTERS | • trainspotters n. Plural of trainspotter. • train␣spotters n. Plural of train spotter.
 • TRAINSPOTTER n. a train-watching enthusiast.
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| TRAINSPOTTING | • trainspotting n. Alternative spelling of train spotting. • train␣spotting n. The hobby of collecting the numbers and names of locomotives seen at railway stations and other vantage points.
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| TRIPARTITIONS | • tripartitions n. Plural of tripartition. • TRIPARTITION n. division into three parts.
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| TROPOSCATTERS | • TROPOSCATTER n. the propagation of radio waves by using irregularities in the troposphere to scatter the signals beamed up by means of high-powered UHF transmitters and parabolic antennas. |