| AEROLITHOLOGY | • aerolithology n. The study of meteorites. • AEROLITHOLOGY n. the study of aerolites.
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| DEONTOLOGICAL | • deontological adj. (Ethics, philosophy) Of or relating to deontology. • DEONTOLOGICAL adj. relating to deontology, the theory or study of moral obligation.
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| DIPLOMATOLOGY | • diplomatology n. The study or science of diplomatics, charters, decrees, etc. • DIPLOMATOLOGY n. the study of diplomats.
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| ENTOMOLOGICAL | • entomological adj. Of or pertaining to entomology. • ENTOMOLOGICAL adj. relating to entomology.
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| HEORTOLOGICAL | • heortological adj. Of or relating to heortology. • HEORTOLOGICAL adj. relating to heortology, the study of religious feasts.
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| ODONTOLOGICAL | • odontological adj. (Rare) referring or pertaining to odontology; dental. • ODONTOLOGICAL adj. relating to odontology, also ODONTOLOGIC.
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| OLFACTOLOGIES | • OLFACTOLOGY n. the study of the sense of smell. | 
| OLFACTOLOGIST | • olfactologist n. One who studies olfactology. • OLFACTOLOGIST n. one who studies smells and the sense of smell.
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| ONTOLOGICALLY | • ontologically adv. In an ontological manner. • ONTOLOGICAL adv. based upon being or existence, also ONTOLOGIC.
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| OPHTHALMOLOGY | • ophthalmology n. (Medicine) The anatomy, functions, pathology, and treatment of the eye. • OPHTHALMOLOGY n. the study of eye and its diseases.
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| PALAEONTOLOGY | • palaeontology n. Britain standard spelling of paleontology. • palæontology n. Obsolete typography of palaeontology.
 • PALAEONTOLOGY n. the study of fossils, also PALEONTOLOGY.
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| PALEONTOLOGIC | • paleontologic adj. Pertaining to paleontology; characteristic of paleontology. • PALEONTOLOGIC adj. relating to paleontology, also PALEONTOLOGICAL.
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| POTAMOLOGICAL | • potamological adj. Relating to potamology. • POTAMOLOGICAL adj. related to potamology.
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| PROCTOLOGICAL | • proctological adj. Relating to proctology. • PROCTOLOGICAL adj. relating to proctology, the study of the rectum, also PROCTOLOGIC.
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| SOMATOLOGICAL | • somatological adj. Relating to somatology. • SOMATOLOGICAL adj. relating to somatology, also SOMATOLOGIC.
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| TAUTOLOGOUSLY | • tautologously adv. In a tautologous manner. • TAUTOLOGOUS adv. involving or containing rhetorical tautology.
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| TOPOLOGICALLY | • topologically adv. In a topological manner. • TOPOLOGICAL adv. relating to topology, also TOPOLOGIC.
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| TOXICOLOGICAL | • toxicological adj. Of or pertaining to toxicology. • TOXICOLOGICAL adj. of or relating to toxicology, the study of poisons, also TOXICOLOGIC.
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| TROPOCOLLAGEN | • tropocollagen n. (Biochemistry) A component of fibres of collagen in which three polypeptide chains are coiled around each other. • TROPOCOLLAGEN n. a subunit of collagen fibrils consisting of three polypeptide strands arranged in a helix.
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| VOLCANOLOGIST | • volcanologist n. One who is skilled in, professes or practices volcanology. • VOLCANOLOGIST n. one who studies volcanology, also VULCANOLOGIST.
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