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• cu
  cu

  abbreviation

  cubic.
• Cu
  Cu

  copper.
• CU
  CU

  abbreviation

  civil union.
• cu.
  cu.

  abbreviation

  cubic.
• Cu.
  Cu.

  abbreviation

  cumulus.

cu

¹ American  

abbreviation

1. cubic.

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Cu ² American  

Symbol, Chemistry.

1. copper.

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CU ³ American  

abbreviation

1. civil union.

2. close-up.

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cu. ⁴ American  

abbreviation

1. cubic.

2. cumulus.

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Cu. ⁵ American  

abbreviation

1. cumulus.

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CU ¹ British  

abbreviation

1. see you

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CU ² British  

abbreviation

1. Cuba (international car registration)

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Cu ³ British  

symbol

1. copper

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cu ⁴ British  

abbreviation

1. Cuba

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cu. ⁵ British  

abbreviation

1. cubic

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Etymology

Origin of Cu

From the Latin word cuprum

Example Sentences

Also here is a 1934 Chrysler Airflow Series CU Sedan, featuring a teardrop design first introduced by aeronautical automobile pioneer Paul Jaray, who designed Zeppelins before turning to automobiles.

From The Wall Street Journal • Feb. 16, 2026

Local convenience store chain CU launched its Dubai chewy rice cake in October, and has sold some 1.8 million pieces of it in the last few months.

From BBC • Jan. 14, 2026

The CU Boulder team wanted an insulating material that would maintain clarity while providing strong thermal resistance.

From Science Daily • Dec. 13, 2025

CU, one of the country’s leading operators with more than 600 stores in Asia, is set to open its first U.S. location in Hawaii later this year.

From Los Angeles Times • Aug. 29, 2025

Then: CU of the pad in front of him.

From "Monster" by Walter Dean Myers