| BRACHIOSAURUSES | • brachiosauruses n. Plural of brachiosaurus. • BRACHIOSAURUS n. any member of a genus of huge lizard-hipped plant-eating dinosaurs.
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| CAUSELESSNESSES | • CAUSELESSNESS n. the state of being causeless. | 
| DOLICHOSAURUSES | • DOLICHOSAURUS n. any member of the Dolichosauria, a group of Cretaceous fossil reptiles. | 
| ECCREMOCARPUSES | • ECCREMOCARPUS n. an evergreen climbing plant, grown for its decorative pinnate foliage and bright orange-red bell flowers. | 
| ELECTROPHORUSES | • electrophoruses n. Plural of electrophorus. • ELECTROPHORUS n. an apparatus consisting of a disk and metal plate to demonstrate static electricity.
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| HOUSEHOLDERSHIP | • householdership n. The position or role of a householder. • HOUSEHOLDERSHIP n. the office of householder.
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| HOUSELESSNESSES | • HOUSELESSNESS n. the state of being houseless. | 
| HOUSEMISTRESSES | • housemistresses n. Plural of housemistress. • HOUSEMISTRESS n. the female head of a (boarding-)house, esp. in connection with a public school.
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| HOUSEWIFELINESS | • housewifeliness n. The quality of being housewifely. • HOUSEWIFEY adj. like a housewife, also HOUSEWIFELY.
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| HYDROCEPHALUSES | • hydrocephaluses n. Plural of hydrocephalus. • HYDROCEPHALUS n. an accumulation of serous fluid within the cranial cavity, also HYDROCEPHALY.
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| ICHTHYOSAURUSES | • ICHTHYOSAURUS n. a large fossil marine reptile, also ICHTHYOSAUR, ICHTHYOSAURIAN. | 
| KINETONUCLEUSES | • KINETONUCLEUS n. a DNA body located near the base of the flagellum in flagellate protozoa, also KINETOPLAST. | 
| MORBILLIVIRUSES | • morbilliviruses n. Plural of morbillivirus. • MORBILLIVIRUS n. a virus responsible for measles.
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| PARAMYXOVIRUSES | • paramyxoviruses n. Plural of paramyxovirus. • PARAMYXOVIRUS n. any of a group of viruses which includes the mumps and measles viruses.
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| SLAUGHTERHOUSES | • slaughterhouses n. Plural of slaughterhouse. • SLAUGHTERHOUSE n. an establishment where animals are butchered.
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| STREPTOCARPUSES | • streptocarpuses n. Plural of streptocarpus. • STREPTOCARPUS n. any flowering plant of the Cape primrose genus Streptocarpus, with foxglove-like flowers.
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| TYRANNOSAURUSES | • tyrannosauruses n. Plural of tyrannosaurus. • TYRANNOSAURUS n. a large carnivorous lizard-hipped dinosaur, common during the Cretaceous period, also TYRANNOSAUR.
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| ZINJANTHROPUSES | • ZINJANTHROPUS n. a type of australopithecine, remains of which were discovered in the Olduvai Gorge in Tanzania in 1959. |