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

Lingering problems from inflation, immigration, and an aging population have strewn disillusionment with France’s traditional parties and boosted RN’s chances, giving the party its best shot yet. — Brady Knox, The Washington Examiner, 8 July 2026

Le ​Pen and her National Rally (RN) party have been leading in the polls. — Melissa Bell, CNN Money, 7 July 2026

Take Heatwaves Seriously Sun Jones, DNP, RN, takes heatwaves seriously and thinks others should, too. — Caroline Lubinsky, Martha Stewart, 30 June 2026

Kat Marie Alvarez, RN, MBA Founder & CEO, Katalyst & Co. — Kat Marie Alvarez, Forbes.com, 26 June 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