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2
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Physical substance in general.
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4
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A substance which has a molecular structure built up chiefly or completely from a large number of similar units bonded together.
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7
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A homogeneous non-crystalline substance consisting of large molecules or ultramicroscopic particles of one substance dispersed through a second substance.
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8
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An amount of something left over when requirements have been met.
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10
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A thing that is composed of two or more separate elements.
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11
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Having the structure and form of a crystal; composed of crystals.
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12
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Any of numerous subatomic constituents of the physical world that interact with each other.
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17
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The point of highest activity, quality, or achievement.
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18
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A substance that inhibits oxidation.
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20
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Strengthening.
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21
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A kind of microorganism about a tenth the size of the smallest normal bacteria.
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22
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Consisting of or containing carbon or its compounds.
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24
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The positively charged electrode.
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28
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The spontaneous formation.
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30
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A hypothetical very small self-propelled machine, especially one that has some degree of autonomy and can reproduce.
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31
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Any solid consisting of a symmetrical, ordered, three-dimensional aggregation of atoms or molecules.
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32
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A discrete quantity of energy proportional in magnitude to the frequency of the radiation it represents.
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33
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Scrape or wear away by friction or erosion.
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35
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Discover or identify the presence or existence of.
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36
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Of iron with a valency of two; of iron(II).
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