| CHROMATOLYSIS | • chromatolysis n. The dissolution of the Nissl bodies in the cell body of a neuron. • CHROMATOLYSIS n. the dissolution and breaking up of chromophil material (as chromatin) of a cell and esp. a nerve cell.
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| CRYPTOLOGISTS | • cryptologists n. Plural of cryptologist. • CRYPTOLOGIST n. a student of cryptology, the scientific study of codes.
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| EMBRYOLOGISTS | • embryologists n. Plural of embryologist. • EMBRYOLOGIST n. a specialist in embryology.
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| HETEROZYGOSIS | • heterozygosis n. (Genetics) The fusion of two genetically different gametes. • HETEROZYGOSIS n. the mixed ancestry of heterozygotes.
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| HYDROTROPISMS | • hydrotropisms n. Plural of hydrotropism. • HYDROTROPISM n. growth in the direction of water.
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| HYSTEROSCOPIC | • hysteroscopic adj. Relating to hysteroscopy. | 
| HYSTEROTOMIES | • hysterotomies n. Plural of hysterotomy. • HYSTEROTOMY n. a Caesarean cut.
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| MOTORCYCLISTS | • motorcyclists n. Plural of motorcyclist. • MOTORCYCLIST n. one who rides a motorcycle.
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| MYTHOLOGISERS | • mythologisers n. Plural of mythologiser. • MYTHOLOGISER n. one who mythologises, also MYTHOLOGIZER.
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| PAPYROLOGISTS | • papyrologists n. Plural of papyrologist. • PAPYROLOGIST n. a student of papyrology.
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| PITYROSPORUMS | • PITYROSPORUM n. a yeastlike fungus which can cause pityriasis. | 
| POLYHISTORIES | • POLYHISTORY n. great and varied learning. | 
| PSYCHOHISTORY | • psychohistory n. (Psychology, historiography) The scientific study of psychology and motivation in history. • psychohistory n. (Science fiction) A fictional mathematical statistical science of large population dynamics, where mathematical…
 • PSYCHOHISTORY n. historical analysis or interpretation using psychological and psychoanalytic methods.
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| PSYCHOTROPICS | • psychotropics n. Plural of psychotropic. • PSYCHOTROPIC n. a drug acting on the mind.
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| SPHEROCYTOSIS | • spherocytosis n. (Pathology) A medical condition in which the red blood cells are globular spheres, rather than having… • SPHEROCYTOSIS n. the presence of spherocytes in the blood, as in certain haemolytic anaemias.
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| SYRINGOTOMIES | • syringotomies n. Plural of syringotomy. • SYRINGOTOMY n. cutting of a fistula.
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| TROGLODYTISMS | • TROGLODYTISM n. the practice of living in caves. |