| CHEMOTHERAPISTS | • chemotherapists n. Plural of chemotherapist. • CHEMOTHERAPIST n. one who practises chemotherapy.
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| CHROMATOSPHERES | • chromatospheres n. Plural of chromatosphere. • CHROMATOSPHERE n. a layer of incandescent gas surrounding the sun through which the light of the photosphere passes.
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| CHROMOTHERAPIES | • chromotherapies n. Plural of chromotherapy. • CHROMOTHERAPY n. colour therapy using red, green and violet as three primary colours.
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| DICHLOROMETHANE | • dichloromethane n. (Organic chemistry) The partially halogenated hydrocarbon CH2Cl2 widely used as a solvent. • DICHLOROMETHANE n. a noxious colourless liquid widely used as a solvent, e.g. in paint strippers.
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| HEADMASTERSHIPS | • headmasterships n. Plural of headmastership. • HEADMASTERSHIP n. the office of headmaster.
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| HEMOCHROMATOSES | • hemochromatoses n. Plural of hemochromatosis. • HEMOCHROMATOSIS n. a disease of the liver characterized by an excessive accumulation of iron.
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| HETEROCHROMATIC | • heterochromatic adj. Having more than one colour; relating to heterochromia. • heterochromatic adj. Of light, having more than one wavelength.
 • heterochromatic adj. Of or relating to heterochromatin.
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| HETEROCHROMATIN | • heterochromatin n. (Cytology) Heterochromatic tightly coiled chromosome material; believed to be genetically inactive. • HETEROCHROMATIN n. densely staining chromatin that appears as nodules in or along chromosomes and contains relatively few genes.
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| HETEROTHALLISMS | • heterothallisms n. Plural of heterothallism. • HETEROTHALLISM n. the state of being heterothallic, also HETEROTHALLY.
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| HYETOMETROGRAPH | • HYETOMETROGRAPH n. an instrument for recording rainfall. | 
| OPHTHALMOMETERS | • ophthalmometers n. Plural of ophthalmometer. • OPHTHALMOMETER n. an instrument for measuring the eye.
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| THERMAESTHESIAS | • THERMAESTHESIA n. sensitivity to various degrees of heat and cold, also THERMESTHESIA. | 
| THERMOTHERAPIES | • thermotherapies n. Plural of thermotherapy. • THERMOTHERAPY n. the treatment of a part of the body by heat.
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| TRIHALOMETHANES | • trihalomethanes n. Plural of trihalomethane. • TRIHALOMETHANE n. any of various derivatives of methane such as chloroform, that have three halogen atoms per molecule and are formed esp. during the chlorination of drinking water.
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