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• Eu
  Eu

  europium.
• EU
  EU

  abbreviation

  European Union.
• eu-
  eu-

  a combining form meaning “good,” “well,” occurring chiefly in words of Greek origin (eupepsia ); in scientific coinages, especially taxonomic names, it often has the sense “true, genuine” (eukaryote )
• eu
  eu

  abbreviation

  the European Union

Eu

¹ American  

Symbol, Chemistry.

1. europium.

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EU ² American  

[ee-yoo] / ˈiˈyu /

abbreviation

1. European Union.

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eu- ³ American  

1. a combining form meaning “good,” “well,” occurring chiefly in words of Greek origin (eupepsia ); in scientific coinages, especially taxonomic names, it often has the sense “true, genuine” (eukaryote )

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Eu ¹ British  

symbol

1. europium

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EU ² British  

abbreviation

1. European Union

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eu ³ British  

abbreviation

1. the European Union

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eu- ⁴ British  

combining form

1. well, pleasant, or good

   eupeptic

   euphony

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Etymology

Origin of eu-

< Greek, combining form of eús good (adj.) or eú, eû (neuter, used as adv.) well

Example Sentences

The genus Eucalyptus is named for its unusual floral structure derived from the Greek eu-, well, and kaluptos, covered, which refers to the operculum that covers the floral buds before anthesis.

From Nature • Jun. 10, 2014