alpha radiator

noun

Definition of alpha radiator

: a radioactive substance which radiates alpha rays

Love words?

You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Start your free trial today and get unlimited access to America's largest dictionary, with:

  • More than 250,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

First Known Use of alpha radiator

1913, in the meaning defined above

Keep scrolling for more

Learn More About alpha radiator

Time Traveler for alpha radiator

Time Traveler

The first known use of alpha radiator was in 1913

See more words from the same year

Dictionary Entries Near alpha radiator

alpha quartz

alpha radiator

Alphard

See More Nearby Entries 

Statistics for alpha radiator

Cite this Entry

“Alpha radiator.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/alpha%20radiator. Accessed 15 Oct. 2021.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

WORD OF THE DAY

Test Your Vocabulary

Farm Idioms Quiz

  • cow coming home
  • What does 'poke' refer to in the expression 'pig in a poke'?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!