blowby

noun

blow·​by ˈblō-ˌbī How to pronounce blowby (audio)
: leakage of combustion gases between a piston and the cylinder wall into the crankcase in an automobile

Word History

First Known Use

1908, in the meaning defined above

Time Traveler
The first known use of blowby was in 1908

Dictionary Entries Near blowby

blow bubbles

blowby

blow-by-blow

See More Nearby Entries 

Cite this Entry

“Blowby.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/blowby. Accessed 11 Dec. 2024.

Copy Citation

Share

Love words? Need even more definitions?

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

Popular in Grammar & Usage

See All

Using Bullet Points ( • )

Point of View: It's Personal

Plural and Possessive Names: A Guide

What's the difference between 'fascism' and 'socialism'?

More Commonly Misspelled Words
See All

Popular in Wordplay

See All

8 Words with Fascinating Histories

8 Words for Lesser-Known Musical Instruments

Birds Say the Darndest Things

10 Scrabble Words Without Any Vowels

12 More Bird Names that Sound Like Insults (and Sometimes Are)
See All

Games & Quizzes

See All
Play Quordle: Guess all four words in a limited number of tries. Each of your guesses must be a real 5-letter word.
Quordle Can you solve 4 words at once?
Play Blossom: Solve today's spelling word game by finding as many words as you can using just 7 letters. Longer words score more points.
Blossom Word Game Pick the best words!
Play Missing Letter: a crossword with a twist. Each of the 25 puzzle words start with a different letter of the alphabet. Which letter is missing?
Missing Letter A daily crossword with a twist
speech-bubble-untangle
Simplify The Convoluted Expression Quiz A quiz that’s as “uncomplicated as a round de...