fossilize

verb

fos·​sil·​ize ˈfä-sə-ˌlīz How to pronounce fossilize (audio)
fossilized; fossilizing

transitive verb

1
: to convert into a fossil
2
: to make outmoded, rigid, or fixed

intransitive verb

: to become changed into a fossil
fossilization noun

Examples of fossilize in a Sentence

The mud helped to preserve and fossilize the wood.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The origin of mammals’ external ears remains a mystery in part because cartilage usually doesn’t fossilize. Bymitch Leslie, science.org, 9 Jan. 2025 Studies involving these prehistoric creatures often rely on teeth above all else; a durable enamel coating helps teeth fossilize reliably, although enamel thickness differs among dinosaur species. Jack Knudson, Discover Magazine, 1 Jan. 2025 But whatever transpired, sediment covered and preserved enough of the body that the bones fossilized. Riley Black, Smithsonian Magazine, 26 Nov. 2024 Until recently, scientists thought arthropods flourished during the Cambrian Period (538-485 million years ago), which came before the period in which the specimen found by Parry's team was fossilized, according to Oxford University. Claire Thornton, USA TODAY, 30 Oct. 2024 See all Example Sentences for fossilize 

Word History

First Known Use

1794, in the meaning defined at transitive sense 1

Time Traveler
The first known use of fossilize was in 1794

Dictionary Entries Near fossilize

Cite this Entry

“Fossilize.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/fossilize. Accessed 17 Jan. 2025.

Kids Definition

fossilize

verb
fos·​sil·​ize ˈfäs-ə-ˌlīz How to pronounce fossilize (audio)
fossilized; fossilizing
: to change or become changed into a fossil
fossilization noun

More from Merriam-Webster on fossilize

Last Updated: - Updated example sentences
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