There are 3 main definitions of Ru in English:

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Ru 1

symbol

The chemical element ruthenium.
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There are 3 main definitions of Ru in English:

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RU 2

Entry from British & World English dictionary

abbreviation

1 informal Are you? where RU?
2Burundi (international vehicle registration).
From Ruanda-Urundi (now Rwanda and Burundi)
3Rugby union.
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There are 3 main definitions of Ru in English:

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RU-486 3

(also RU 486)

noun

Trademark for mifepristone.
Example sentences
  • In the past decade, over 1 million women worldwide have safely used RU486 to end their pregnancies.
  • RU 486, which will be called mifepristone in this country, is a safe, effective method of abortion which can be used during the first nine weeks of pregnancy and may be a possible treatment for fibroid tumors, ovarian cancer, endometriosis, meningioma, and some types of breast cancer.
  • On 26 October 1988 Dr Edouard Sakiz, chairman of Roussel-Uclaf, suspended sales of RU486.
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