| ACETALDEHYDE | • acetaldehyde n. (Organic chemistry) An organic compound, (CH3CHO). Sometimes called ethanal or acetic aldehyde. See… • ACETALDEHYDE n. a chemical compound.
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| ACETALDEHYDES | • acetaldehydes n. Plural of acetaldehyde. • ACETALDEHYDE n. a chemical compound.
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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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| CLEARHEADEDLY | • clearheadedly adv. In a clearheaded manner. • CLEARHEADED adv. having or showing a clear understanding.
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| CYANOACETYLENE | • cyanoacetylene n. (Organic chemistry) The linear acetylenic nitrile HC≡C-CN or any derivative of this compound. • CYANOACETYLENE n. a large and complex organic molecule found in interstellar clouds.
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| CYANOACETYLENES | • cyanoacetylenes n. Plural of cyanoacetylene. • CYANOACETYLENE n. a large and complex organic molecule found in interstellar clouds.
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| ELECTROANALYSES | • electroanalyses n. Plural of electroanalysis. • ELECTROANALYSIS n. electrochemical analysis.
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| HAEMACYTOMETER | • haemacytometer n. Alternative form of hemocytometer. • HAEMACYTOMETER n. an apparatus for counting the number of cells in a quantity of blood, typically consisting of a graduated pipette for drawing and diluting, also HEMACYTOMETER.
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| HAEMACYTOMETERS | • haemacytometers n. Plural of haemacytometer. • HAEMACYTOMETER n. an apparatus for counting the number of cells in a quantity of blood, typically consisting of a graduated pipette for drawing and diluting, also HEMACYTOMETER.
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| HENDECASYLLABLE | • hendecasyllable n. (Chiefly prosody) A line, verse, or word that comprises eleven syllables. • HENDECASYLLABLE n. a metrical line of eleven syllables.
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| HYPERCATALEXES | • HYPERCATALEXIS n. the state of being hypercatalectic. | 
| METAGENETICALLY | • metagenetically adv. In a metagenetic manner. • METAGENETIC adv. relating to metagenesis.
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| MYELENCEPHALA | • myelencephala n. Plural of myelencephalon. • MYELENCEPHALON n. the posterior part of the developing vertebrate hindbrain or the corresponding part of the adult brain composed of the medulla oblongata.
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| QUATERCENTENARY | • quatercentenary n. A four-hundredth anniversary. • QUATERCENTENARY n. a four-hundredth anniversary.
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| THYMELAEACEOUS | • thymelaeaceous adj. (Botany) Belonging to the Thymelaeaceae. • THYMELAEACEOUS adj. of the Thymelaeaceae, the family of trees and shrubs with simple leaves and tough bark to which spurge laurel belongs.
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