covalent

adjective

co·​va·​lent ˌkō-ˈvā-lənt How to pronounce covalent (audio)
ˈkō-ˌvā-
: of, relating to, or characterized by covalent bonds
covalently adverb

Example Sentences

Recent Examples on the Web These served as covalent bridges to lock the F protein in its prefusion configuration. William A. Haseltine, Forbes, 3 May 2022 More specifically, the UV-C light damages nucleic acids inside these microorganisms, forming covalent bonds that prevent DNA from unzipping for replication. Courtney Linder, Popular Mechanics, 25 Apr. 2022 There’s a covalent sensation of nostalgia and novelty, like seeing a familiar place with fresh eyes, rebooting muscle memory grown soft from disuse. Tom Vanderbilt, Wired, 20 Dec. 2021 The hydrogel forms covalent bonds with the tissue’s surface. Max G. Levy, Wired, 16 July 2021 And a lab simulation on ionic and covalent bonds for her college biology class didn’t work properly. San Diego Union-Tribune, 3 Oct. 2020 Cross-linking causes adjacent molecules to connect with one another via strong covalent bonds in many different places, toughening the material. Rob Verger, Popular Science, 12 Mar. 2019 The researchers added a disulfide linker molecule, which can come between covalent bonds within a tissue's surface proteins. Courtney Linder, Popular Mechanics, 25 June 2020 The Chinese scientists built their version of an artificial muscle out of a special class of materials known as covalent organic frameworks (COFs), first synthesized in 2005. Jennifer Ouellette, Ars Technica, 21 July 2019 See More

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

Word History

First Known Use

circa 1926, in the meaning defined above

Time Traveler
The first known use of covalent was circa 1926

Dictionary Entries Near covalent

Cite this Entry

“Covalent.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/covalent. Accessed 1 Dec. 2022.

Love words? Need even more definitions?

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


The Great British Vocabulary Quiz

  • union jack speech bubble
  • Named after Sir Robert Peel, what are British police called?
Spell It

Hear a word and type it out. How many can you get right?

TAKE THE QUIZ
Universal Daily Crossword

A daily challenge for crossword fanatics.

TAKE THE QUIZ