| ARCHAEOPTERYX | • archaeopteryx n. Alternative spelling of archeopteryx. • Archaeopteryx prop.n. A taxonomic genus within the family Archaeopterygidae – known from fossils and widely accepted as the…
 • archæopteryx n. Rare spelling of archeopteryx.
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| ARCHAEOPTERYXES | • archaeopteryxes n. Plural of archaeopteryx. • ARCHAEOPTERYX n. a Jurassic fossil bird of the Archaeopteryx genus, with a long bony tail, sharp-toothed jaws, and wings bearing three clawed digits.
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| CHALCEDONYXES | • CHALCEDONYX n. an agate of alternating white opaque and greyish transparent chalcedony. | 
| CYCLOHEXANE | • cyclohexane n. (Organic chemistry) An alicyclic hydrocarbon, C6H12, consisting of a ring of six carbon atoms; a volatile… • CYCLOHEXANE n. a pungent saturated cyclic hydrocarbon found in petroleum or made synthetically and used chiefly as a solvent and in organic synthesis.
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| CYCLOHEXANES | • cyclohexanes n. Plural of cyclohexane. • CYCLOHEXANE n. a pungent saturated cyclic hydrocarbon found in petroleum or made synthetically and used chiefly as a solvent and in organic synthesis.
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| CYCLOHEXANONE | • cyclohexanone n. (Organic chemistry) The alicyclic ketone obtained from cyclohexane by the replacement of a methylene… • CYCLOHEXANONE n. a liquid ketone used esp. as a solvent and in organic synthesis.
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| CYCLOHEXANONES | • cyclohexanones n. Plural of cyclohexanone. • CYCLOHEXANONE n. a liquid ketone used esp. as a solvent and in organic synthesis.
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| CYCLOHEXYLAMINE | • cyclohexylamine n. (Organic chemistry) The primary amine derived from cyclohexane by replacing a hydrogen atom by an amino… • CYCLOHEXYLAMINE n. a colorless liquid amine that is used in organic synthesis and to prevent corrosion in boilers and that is believed to be harmful as a metabolic breakdown product of cyclamate.
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| EXCHANGEABILITY | • exchangeability n. The condition of being exchangeable. • EXCHANGEABILITY n. the state of being exchangeable.
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| EXCHANGEABLY | • exchangeably adv. By way of exchange. • EXCHANGEABLE adv. capable of being exchanged.
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| EXOTHERMICALLY | • exothermically adv. In an exothermic manner. • EXOTHERMIC adv. of a chemical reaction, giving out heat, also EXOTHERMAL.
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| HEXADECYL | • hexadecyl n. (Organic chemistry) The univalent radical derived from hexadecane. • HEXADECYL n. another name for the radical cetyl.
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| HEXADECYLS | • hexadecyls n. Plural of hexadecyl. • HEXADECYL n. another name for the radical cetyl.
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| HYPERCATALEXES | • HYPERCATALEXIS n. the state of being hypercatalectic. | 
| HYPERCATALEXIS | • hypercatalexis n. (Poetry) The addition of one or two syllables to the last foot of a verse. • HYPERCATALEXIS n. the state of being hypercatalectic.
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| HYPEREXCITABLE | • hyperexcitable adj. Unusually or excessively excitable. • HYPEREXCITABLE adj. excessively excitable.
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| OXYCEPHALIES | • oxycephalies n. Plural of oxycephaly. • OXYCEPHALY n. the condition of having a conical skull.
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| SCEUOPHYLAXES | • SCEUOPHYLAX n. a sacristan. |