covalent bond


Definition of covalent bond

: a chemical bond formed between atoms by the sharing of electrons

Examples of covalent bond in a Sentence

Recent Examples on the Web

To make COFs, scientists link up certain carbon-containing molecules (boric acid, for example) via covalent bonds (in which atoms share electron pairs) into a porous crystalline powder. Jennifer Ouellette, Ars Technica, "Watch this paper doll do sit-ups thanks to new kind of “artificial muscle”," 21 July 2019 For example, unlike RNA, each molecule in the stack is linked by a relatively weak kind of bond known as a non-covalent bond. Quanta Magazine, "Chemists Seek Possible Precursor to RNA," 5 Feb. 2014 The most common approach forges chemical links, called covalent bonds, between separate polymer chains, turning what looks like a bunch of separate spaghetti strands into a loose, 3D mesh. Robert F. Service, Science | AAAS, "Material inspired by ocean mussels could lead to self-healing plastics," 26 Oct. 2017

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

See More

First Known Use of covalent bond

1939, in the meaning defined above

Keep scrolling for more

Learn More about covalent bond

Dictionary Entries near covalent bond




covalent bond




Statistics for covalent bond

Look-up Popularity

Time Traveler for covalent bond

The first known use of covalent bond was in 1939

See more words from the same year

Keep scrolling for more

More Definitions for covalent bond

covalent bond


Medical Definition of covalent bond

: a chemical bond formed between atoms by the sharing of electrons

More from Merriam-Webster on covalent bond Encyclopedia article about covalent bond

Comments on covalent bond

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


suitable to be imparted to the public

Get Word of the Day daily email!

Test Your Vocabulary

Where in the World? A Quiz

  • peter bruegel tower of babel painting
  • What language does pajama come from?
Spell It

Can you spell these 10 commonly misspelled words?


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!