dia·​gen·​e·​sis | \ ˌdī-ə-ˈje-nə-səs How to pronounce diagenesis (audio) \

Definition of diagenesis

1 : recombination or rearrangement of constituents (as of a chemical or mineral) resulting in a new product
2 : the conversion (as by compaction or chemical reaction) of sediment into rock

Keep scrolling for more

Other Words from diagenesis

diagenetic \ ˌdī-​ə-​jə-​ˈne-​tik How to pronounce diagenetic (audio) \ adjective
diagenetically \ ˌdī-​ə-​jə-​ˈne-​ti-​k(ə-​)lē How to pronounce diagenetically (audio) \ adverb

Examples of diagenesis in a Sentence

Recent Examples on the Web Mosasaurs, limpets, or diagenesis: How Placenticeras shells got punctured. Brian Switek, WIRED, "Mosasaur Bites and Limpet Scrapes," 11 Apr. 2012

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'diagenesis.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of diagenesis

circa 1886, in the meaning defined at sense 1

History and Etymology for diagenesis

New Latin

Keep scrolling for more

Learn More about diagenesis

Time Traveler for diagenesis

Time Traveler

The first known use of diagenesis was circa 1886

See more words from the same year

Statistics for diagenesis

Cite this Entry

“Diagenesis.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/diagenesis. Accessed 13 Aug. 2020.

More from Merriam-Webster on diagenesis

Britannica.com: Encyclopedia article about diagenesis

Comments on diagenesis

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


Test Your Vocabulary

Original Meanings Quiz

  • rembrandt painting a young scholar and his tutor
  • Which of the following is the earliest known sense of the word awe?
Spell It

Can you spell these 10 commonly misspelled words?

Bee Cubed

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

Love words? Need even more definitions?

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