pair off each word with its opposite

  • 41navigation — navigational, adj. /nav i gay sheuhn/, n. 1. the act or process of navigating. 2. the art or science of plotting, ascertaining, or directing the course of a ship, aircraft, or guided missile. [1520 30; < L navigation (s. of navigatio) a voyage.&#8230; …

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  • 42quantum mechanics — quantum mechanical, adj. Physics. a theory of the mechanics of atoms, molecules, and other physical systems that are subject to the uncertainty principle. Abbr.: QM Cf. nonrelativistic quantum mechanics, relativistic quantum mechanics. [1920 25]&#8230; …

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  • 43trigonometry — trigonometric /trig euh neuh me trik/, trigonometrical, adj. trigonometrically, adv. /trig euh nom i tree/, n. the branch of mathematics that deals with the relations between the sides and angles of plane or spherical triangles, and the&#8230; …

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  • 44List of Emily Dickinson poems — This is a list of Emily Dickinson poems. There are 1,775 known poems that have been written by Dickinson. The poems are alphabetized by their first line. Punctuation, capitalization and even in some cases wording of the first lines may vary&#8230; …

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  • 45Conditional preservation of the saints — The Five Articles of Remonstrance Conditional election Unlimited atonement Total depravity …

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  • 46environment — environmental, adj. environmentally, adv. /en vuy reuhn meuhnt, vuy euhrn /, n. 1. the aggregate of surrounding things, conditions, or influences; surroundings; milieu. 2. Ecol. the air, water, minerals, organisms, and all other external factors&#8230; …

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  • 47Earth Sciences — ▪ 2009 Introduction Geology and Geochemistry       The theme of the 33rd International Geological Congress, which was held in Norway in August 2008, was “Earth System Science: Foundation for Sustainable Development.” It was attended by nearly&#8230; …

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  • 48pre-Columbian civilizations — Introduction       the aboriginal American Indian (Mesoamerican Indian) cultures that evolved in Meso America (part of Mexico and Central America) and the Andean region (western South America) prior to Spanish exploration and conquest in the 16th …

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  • 49List of minor The Hitchhiker's Guide to the Galaxy characters — The following is an alphabetical list of the minor characters in the various versions of The Hitchhiker s Guide to the Galaxy, by Douglas Adams. The descriptions of the characters are accompanied by information on details about appearances and&#8230; …

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  • 50List of After Colony characters — This is a list of fictional characters from the After Colony (AC) timeline of the Gundam anime metaseries, primarily Gundam Wing and Endless Waltz . The codes after the characters names indicate which series and manga the characters appear in.*&#8230; …

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