Rn

1 of 3

symbol

radon

RN

2 of 3

noun

ˌär-ˈen 

: registered nurse

RN

3 of 3

abbreviation

Royal Navy

Examples of Rn in a Sentence

Recent Examples on the Web

Noun

In another instance, an RN who works part-time at the nursing home and part-time at a major Twin Cities hospital also talks about leaving. — Ellen Watters, Twin Cities, 15 Jan. 2026

The letter writer should discuss this with the cousin and the cousin’s medical team. – RN Dear RN: This is a good option for the letter writer to look into. — Eric Thomas, Sun Sentinel, 11 June 2026

The nurse studied for a couple of months at Noreus’ school in Plantation before passing the state RN licensing exam in early 2021. — Jay Weaver, Miami Herald, 16 June 2026

By Carrie Madormo, RN, MPH Madormo is a health writer with over a decade of experience as a registered nurse. — Jamie Johnson, Verywell Health, 8 Jan. 2026

Word History

First Known Use

Noun

1903, in the meaning defined above

Kids Definition

RN

noun

ˌär-ˈen

: registered nurse

Medical Definition

Rn

1 of 2 symbol

radon

RN

2 of 2 noun

ˈär-ˈen 

: registered nurse