4000 Duolingo (E F) - Spelling Practices

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(1) v. darken; exceed in importance; outweigh

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(2) a. of or pertaining to an editor; written or sanctioned by an editor

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(3) n. branch of physics that deals with the behavior of electrons; electronic devices

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(4) v. carve or cut into a block or surface, as used for printing; impress deeply as if by carving

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(5) a. having or showing great excitement and interest

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(6) n. development; a gradual process of change and development

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(7) n. gases ejected from an engine as waste products; use up the whole supply of

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(8) n. any substance used to make the soil more fertile

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(9) n. emit a brief burst of light; appear briefly; a sudden intense burst of radiant energy

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(10) n. a small bottle-shaped vessel for holding fluids; a narrow-necked vessel of metal or glass