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ORR. In DICTIOUS you will not only get to know all the dictionary meanings for the word
ORR, but we will also tell you about its etymology, its characteristics and you will know how to say
ORR in singular and plural. Everything you need to know about the word
ORR you have here. The definition of the word
ORR will help you to be more precise and correct when speaking or writing your texts. Knowing the definition of
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English
Noun
ORR (plural ORRs)
- (medicine) Initialism of overall response rate or objective response rate.
Proper noun
ORR
- Initialism of Office of Rail and Road, a non-ministerial government department in the United Kingdom.