Merriam-Webster Logo
SINCE 1828
dictionary thesaurus view recents

Ajax powder

noun
Save Word

Definition of Ajax powder

: an explosive used in coal mining consisting chiefly of nitroglycerin, potassium perchlorate, ammonium oxalate, and wood flour

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 Ajax powder

1885, in the meaning defined above

History and Etymology for Ajax powder

after Ajax, one of the Greek heroes in Homer's Iliad, possessed of great stature and strength, from Latin, from Greek Aias

Keep scrolling for more

Learn More about Ajax powder

Time Traveler for Ajax powder

Time Traveler

The first known use of Ajax powder was in 1885

See more words from the same year

Statistics for Ajax powder

Cite this Entry

“Ajax powder.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Ajax%20powder. Accessed 22 Oct. 2020.

Comments on Ajax powder

What made you want to look up Ajax powder? Please tell us where you read or heard it (including the quote, if possible).

Show Comments  Hide Comments 

WORD OF THE DAY

adduce

Listen to the pronunciation of adduce

See Definitions and Examples »

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
Bee Cubed

Test Your Knowledge - and learn some interesting things along the way.

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!

Words at Play
Ask the Editors
Word Games