backblast

noun

Definition of backblast 

: the rush of powder gases from the open or vented breech of a recoilless weapon

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 backblast

1923, in the meaning defined above

Keep scrolling for more

Learn More about backblast

Dictionary Entries near backblast

backbend

backberend

backbite

backblast

backblock

backboard

back bond

Statistics for backblast

Look-up Popularity

Time Traveler for backblast

The first known use of backblast was in 1923

See more words from the same year

Comments on backblast

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

WORD OF THE DAY

lying above or upon

Get Word of the Day daily email!

Test Your Vocabulary

Words from Greek and Roman Mythology Quiz

  • the-triumph-of-venus-by-alessandro-magnasco
  • Boreal comes from the name of the ancient Greek god of which wind?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
SCRABBLE® Sprint

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!