Otto cycle

noun
Ot·​to cycle | \ ˈät(ˌ)ō, ˈä(ˌ)tō- \

Definition of Otto cycle

: a four-stroke cycle for internal-combustion engines of the type used in automobiles wherein the first stroke consists of the suction into the cylinder of the explosive charge (as gas and air), the second stroke consists of the compression, ignition, and explosion of the charge, the third stroke consists of the expansion of the gases, and the fourth stroke consists of the expulsion of the products of combustion from the cylinder

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!

History and Etymology for Otto cycle

after Nikolaus A. Otto †1891 German technician and inventor

Keep scrolling for more

Learn More About Otto cycle

Dictionary Entries Near Otto cycle

otto

Otto cycle

Otto engine

See More Nearby Entries 

Statistics for Otto cycle

Cite this Entry

“Otto cycle.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Otto%20cycle. Accessed 26 Oct. 2021.

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

WORD OF THE DAY

Test Your Vocabulary

Dog Words Quiz

  • shiba puppy more or less demanding cuddles
  • Which of the following animals has a dog in its etymology?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

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!