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RN

2 ENTRIES FOUND:
1 RN /ˌɑɚˈɛn/ noun
plural RNs
1 RN
/ˌɑɚˈɛn/
noun
plural RNs
Learner's definition of RN
[count]
2 RN abbreviation
2 RN
abbreviation
Learner's definition of RN
British
Royal Navy(英国)皇家海军

Rn

1 of 3

symbol

radon

RN

2 of 3

noun

RN

3 of 3

abbreviation

Royal Navy

Word History

First Known Use

Noun

1903, in the meaning defined above

Time Traveler
The first known use of Rn was in 1903

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