| 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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| CEPHALOMETRY | • cephalometry n. The measurement of the head, especially in order to study growth, development, and disease. • CEPHALOMETRY n. the science of measuring the head in living individuals.
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| CHANGELESSLY | • changelessly adv. In a changeless manner. • CHANGELESS adv. never changing.
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| CHESSPLAYERS | • chessplayers n. Plural of chessplayer. • chess␣players n. Plural of chess player.
 • CHESSPLAYER n. one who plays chess.
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| CYBERATHLETE | • cyberathlete n. (Dated) One who competes professionally in video game tournaments. • CYBERATHLETE n. a professional player of computer games.
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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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| ESTHETICALLY | • esthetically adv. Alternative spelling of aesthetically. • ESTHETICAL adv. keenly appreciative of the beautiful, also AESTHETIC, AESTHETICAL, ESTHETIC.
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| EXCHANGEABLY | • exchangeably adv. By way of exchange. • EXCHANGEABLE adv. capable of being exchanged.
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| GLYPTOTHECAE | • GLYPTOTHECA n. a place for keeping sculpture. | 
| HERBACEOUSLY | • herbaceously adv. In a herbaceous manner. • HERBACEOUS adv. of, relating to, or having the characteristics of a herb.
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| HERMETICALLY | • hermetically adv. With a hermetic seal; so as to be airtight. • hermetically adv. In a hermetic manner; isolatedly.
 • HERMETICAL adv. of or relating to sorcery or alchemy, also HERMETIC.
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| HETERODACTYL | • heterodactyl adj. (Zoology) heterodactylous. • HETERODACTYL n. a heterodactylous bird.
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| HYPERALGESIC | • hyperalgesic adj. Of or pertaining to hyperalgesia. • HYPERALGESIC adj. relating to hyperalgesia, undue sensitiveness to pain.
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| METHACRYLATE | • methacrylate n. (Organic chemistry) Any salt or ester of methacrylic acid, especially an ester used in the manufacture… • methacrylate n. A resin manufactured from methacrylic acid or a methacrylate.
 • METHACRYLATE n. a salt or ester of methacrylic acid.
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| NYCHTHEMERAL | • nychthemeral adj. Lasting a nychthemeron (24 hours). • NYCHTHEMERAL adj. (Greek) of or relating to a nychthemeron or 24-hour period.
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| OXYCEPHALIES | • oxycephalies n. Plural of oxycephaly. • OXYCEPHALY n. the condition of having a conical skull.
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| PHYLACTERIES | • phylacteries n. Plural of phylactery. • PHYLACTERY n. a small leather box containing scriptural extracts worn by Jews at prayer.
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| PSYCHEDELIAS | • psychedelias n. Plural of psychedelia. • PSYCHEDELIA n. the production of, or the culture associated with, psychedelic experiences, also PSYCHODELIA.
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| SCLERENCHYMA | • sclerenchyma n. (Botany) A mechanical ground tissue, impermeable to water, which consists of cells having narrow lumen… • sclerenchyma n. (Zoology) The hard calcareous deposit in the tissues of the stony corals (Anthozoa).
 • SCLERENCHYMA n. plant tissue consisting of cells with thick lignified walls.
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| SHAMEFACEDLY | • shamefacedly adv. In a shamefaced manner. • SHAMEFACED adv. showing modesty, also SHAMEFAST.
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