| AMPHITHEATRIC | • amphitheatric adj. Of, pertaining to, exhibited in, or resembling an amphitheatre. • AMPHITHEATRIC adj. relating to an amphitheater, also AMPHITHEATRICAL.
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| ANTHELMINTHIC | • anthelminthic adj. Alternative form of anthelmintic. • anthelminthic n. Alternative form of anthelmintic.
 • ANTHELMINTHIC adj. destroying or expelling worms.
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| CHEMAUTOTROPH | • CHEMAUTOTROPH n. an organism, such as a bacterium, that obtains its energy from inorganic reactions using simple compounds, such as ammonia or carbon dioxide. | 
| CHEMOAUTROPHS | • CHEMOAUTROPH n. any organism, e.g. bacteria, that produces energy by the oxidation of inorganic compounds, such as iron, ammonia and hydrogen sulphide, also CHEMOAUTOTROPH. | 
| CHLOROMETHANE | • chloromethane n. (Organic chemistry) Any chlorinated derivative of methane, but especially CH3Cl (methyl chloride) once… • CHLOROMETHANE n. an organic compound, methyl chloride.
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| CHRESTOMATHIC | • chrestomathic adj. (Of teaching or learning) That has a practical use. • chrestomathic n. A practical handbook.
 • CHRESTOMATHIC adj. of or like a chrestomathy, a selection of passages compiled as an aid to learning a language, also CHRESTOMATHICAL.
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| CHROMATOPHORE | • chromatophore n. A pigment-bearing cell or structure found in certain fish, reptiles, cephalopods, and other animals. • CHROMATOPHORE n. a pigment-bearing cell.
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| CHROMOTHERAPY | • chromotherapy n. (Alternative medicine) A form of alternative medicine involving the therapeutic use of colour and light. • CHROMOTHERAPY n. colour therapy using red, green and violet as three primary colours.
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| CHRYSANTHEMUM | • chrysanthemum n. Any of many flowering perennial plants, of the genus Chrysanthemum, native to China, that have showy radiate heads. • Chrysanthemum prop.n. A taxonomic genus within the family Asteraceae – the chrysanthemums.
 • CHRYSANTHEMUM n. any of several cultivated plants of the Chrysanthemum genus, with colourful double flower-heads.
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| HEMICHORDATES | • hemichordates n. Plural of hemichordate. • HEMICHORDATE n. a kind of marine worm.
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| HISTOCHEMICAL | • histochemical adj. Of or pertaining to histochemistry. • histochemical n. Any chemical compound or reagent used in histochemistry or histology.
 • HISTOCHEMICAL adj. relating to histochemistry, the chemistry of living tissues.
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| NIGHTWATCHMEN | • nightwatchmen n. Plural of nightwatchman. • night-watchmen n. Plural of night-watchman (alternative spelling of night watchmen).
 • night␣watchmen n. Plural of night watchman.
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| PHOTOCHEMICAL | • photochemical adj. (Chemistry) of, relating to, or produced by photochemistry or by photochemical reactions. • photochemical n. Any chemical compound (such as silver halides) used in photography.
 • PHOTOCHEMICAL adj. of, relating to, or resulting from the chemical action of radiant energy and esp. light.
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| PHOTOMACHINES | • PHOTOMACHINE n. a machine that prints copies of digital photographs. | 
| PHYTOCHEMICAL | • phytochemical adj. Pertaining to the chemistry of plants. • phytochemical n. Any chemical substance characteristic of plants.
 • phytochemical n. Any chemical or nutrient derived from a plant source; a phytonutrient.
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| RHAMPHOTHECAE | • rhamphothecae n. Plural of rhamphotheca. • RHAMPHOTHECA n. the horny or leathery outer layer of a bird's bill.
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| THERMOGRAPHIC | • thermographic adj. Of, pertaining to, or generated using thermography. • THERMOGRAPHIC adj. relating to thermography.
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| XEROPHTHALMIC | • xerophthalmic adj. Of or pertaining to xerophthalmia. • XEROPHTHALMIC adj. relating to xerophthalmia.
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