| ANTIARRHYTHMIA | • antiarrhythmia adj. Alternative form of antiarrhythmic. | 
| ANTIARRHYTHMIC | • antiarrhythmic adj. (Pharmacology) Used to treat or prevent (heart) arrhythmia (irregular beat). • antiarrhythmic n. (Pharmacology) A drug that treats or prevents (heart) arrhythmia (irregular beat).
 • ANTIARRHYTHMIC adj. tending to prevent or relieve cardiac arrhythmia.
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| ANTIARRHYTHMICS | • antiarrhythmics n. Plural of antiarrhythmic. • ANTIARRHYTHMIC n. a drug to prevent cardiac arrhythmia.
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| CINEMICROGRAPHY | • cinemicrography n. Alternative form of cinephotomicrography. • CINEMICROGRAPHY n. cinematographic recording of changes under the microscope.
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| ENDOMYCORRHIZA | • endomycorrhiza n. (Ecology) A form of mycorrhiza in which the hyphae of the fungus penetrate the root cells. • ENDOMYCORRHIZA n. a type of fungus with hyphae that penetrate the cell wall and invaginate the cell membrane.
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| GYNANDROMORPHIC | • gynandromorphic adj. (Of an organism) Having male and female characteristics. • GYNANDROMORPHIC adj. of or like a gynandromorph, an animal having both male and female characteristics.
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| HEMATOPORPHYRIN | • hematoporphyrin n. (Biochemistry) The porphyrin portion of heme (minus the iron atom). • HEMATOPORPHYRIN n. any of several porphyrins that are hydrated derivatives of protoporphyrins.
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| HYPERADRENALISM | • hyperadrenalism n. (Pathology) An excessive level of adrenal hormones in the body. • HYPERADRENALISM n. excessive activity of the adrenal gland.
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| HYPERNATRAEMIA | • hypernatraemia n. Alternative form of hypernatremia. • HYPERNATRAEMIA n. an abnormally high concentration of sodium chloride (salt) in the blood, esp. in infants.
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| HYPERNATRAEMIAS | • hypernatraemias n. Plural of hypernatraemia. • HYPERNATRAEMIA n. an abnormally high concentration of sodium chloride (salt) in the blood, esp. in infants.
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| HYPERROMANTIC | • hyperromantic adj. Extremely romantic. • HYPERROMANTIC n. one who is excessively romantic.
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| HYPERROMANTICS | • HYPERROMANTIC n. one who is excessively romantic. | 
| HYPERURBANISM | • hyperurbanism n. (Linguistics) the creation of a non-standard form by mimicking the standard dialect. • HYPERURBANISM n. use of hypercorrect forms in language.
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| HYPERURBANISMS | • hyperurbanisms n. Plural of hyperurbanism. • HYPERURBANISM n. use of hypercorrect forms in language.
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| SEMIPORNOGRAPHY | • semipornography n. Material that is partly or somewhat pornographic. • SEMIPORNOGRAPHY n. material approaching the pornographic.
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| TURBOMACHINERY | • turbomachinery n. Turbomachines collectively. • TURBOMACHINERY n. machinery consisting of, incorporating, or constituting a turbine.
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