rad

1 of 3

noun

: a unit of absorbed dose of ionizing radiation equal to an energy of 100 ergs per gram of irradiated material

rad

2 of 3

adjective

rad

3 of 3

abbreviation

1
radian
2
radius
3
radix

Examples of rad in a Sentence

Recent Examples on the Web
Adjective
This is a rad mission After setting off from Florida's Space Coast next month, Europa Clipper will reach Mars in February 2025 for a gravity assist flyby to gain speed on the journey to Jupiter. Stephen Clark, Ars Technica, 9 Sep. 2024 About three hours south of the Bay Area by car, Monterey gives a more relaxed city vibe, complete with easy beach access, delicious seaside eats, and a rad diving community. Outside Online, 24 July 2024 Skateboarding Skateboarding is enjoying its second Olympics as an official sport, which is pretty rad. Michael Calore, WIRED, 24 July 2024 In this article are some of the most iconic, rad, beautiful women and men (to be clear: I'm not pictured) who reject the mainstream idea that thin equals beautiful. Tom Rasmussen, refinery29.com, 2 Jan. 2024 See all Example Sentences for rad 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'rad.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

Etymology

Noun

radiation absorbed dose

First Known Use

Noun

circa 1953, in the meaning defined above

Adjective

1982, in the meaning defined above

Time Traveler
The first known use of rad was circa 1953

Dictionary Entries Near rad

Cite this Entry

“Rad.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/rad. Accessed 7 Oct. 2024.

Medical Definition

rad

1 of 2 noun
: a unit of absorbed dose of ionizing radiation equal to an energy of 100 ergs per gram of irradiated material

rad

2 of 2 abbreviation
root
used in writing prescriptions
Etymology

Abbreviation

Latin radix

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