| CHEMOSYNTHETIC | • chemosynthetic adj. Using or relating to chemosynthesis. • CHEMOSYNTHETIC adj. relating to chemosynthesis.
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| CHRESTOMATHY | • chrestomathy n. A collection of written passages, used to learn an unfamiliar language. • chrestomathy n. A collection of choice passages from an author or authors.
 • CHRESTOMATHY n. a selection of passages compiled as an aid to learning a language; a volume of selected passages or stories of an author.
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| EURHYTHMIST | • EURHYTHMIST n. a practitioner of eurhythmics, also EURYTHMIST. | 
| EURHYTHMISTS | • EURHYTHMIST n. a practitioner of eurhythmics, also EURYTHMIST. | 
| HISTOCHEMISTRY | • histochemistry n. (Biology, chemistry) The branch of histology dealing with the chemistry of cells and tissues. • HISTOCHEMISTRY n. the chemistry of living tissues.
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| MERRYTHOUGHTS | • merrythoughts n. Plural of merrythought. • MERRYTHOUGHT n. the furcula between the neck and breastbone of poultry, aka wishbone.
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| METHYLTHIONINES | • METHYLTHIONINE n. as in methylthionine chloride, a dark green dye used as a stain, antiseptic etc. | 
| METHYLXANTHINES | • methylxanthines n. Plural of methylxanthine. • METHYLXANTHINE n. a methylated xanthine derivative, such as caffeine, theobromine, or theophylline.
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| PHOTOCHEMISTRY | • photochemistry n. (Chemistry) The study of photochemical reactions. • PHOTOCHEMISTRY n. science, processes and properties of chemical changes effected by light.
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| PHYTOCHEMIST | • phytochemist n. A person involved in phytochemistry. • PHYTOCHEMIST n. a chemist specialising in plant.
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| PHYTOCHEMISTRY | • phytochemistry n. (Chemistry, botany) The scientific study of the chemicals found in plants. • phytochemistry n. (Botany) The collection of chemicals and chemical processes found in a particular plant.
 • PHYTOCHEMISTRY n. the chemistry of plants.
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| PHYTOCHEMISTS | • phytochemists n. Plural of phytochemist. • PHYTOCHEMIST n. a chemist specialising in plant.
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| PLATYHELMINTHS | • platyhelminths n. Plural of platyhelminth. • PLATYHELMINTH n. a tapeworm or planarian.
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| RHYTHMICITIES | • rhythmicities n. Plural of rhythmicity. • RHYTHMICITY n. the state of being rhythmic or of responding rhythmically.
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| RHYTHMOMETERS | • rhythmometers n. Plural of rhythmometer. • RHYTHMOMETER n. an instrument for measuring the speed of rhythms.
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| STICHOMYTHIES | • STICHOMYTHY n. dialogue in alternate lines, also STICHOMYTHIA. | 
| THERMOCHEMISTRY | • thermochemistry n. (Chemistry, physics) The study of the thermodynamics of chemical reactions. • THERMOCHEMISTRY n. a branch of chemistry that deals with the interrelation of heat with chemical reaction or physical change of state.
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| THIRTYSOMETHING | • thirtysomething n. A tricenarian: a person in their thirties, a person aged between 30 and 39 years (inclusive). • thirtysomething adj. Between 30 and 39 years of age.
 • thirtysomething adj. Between 30 and 39 in number.
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