Synonyms and Antonyms for upper-surface

1. upper surface (n.)

the side that is uppermost

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2. surface-active agent (n.)

a chemical agent capable of reducing the surface tension of a liquid in which it is dissolved

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5. surface (n.)

the outermost level of the land or sea

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6. surface (n.)

a superficial aspect as opposed to the real nature of something

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7. surface (adj.)

on the surface

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8. surface (v.)

come to the surface

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9. surface (n.)

information that has become public

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10. upper (adj.)

higher in place or position

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