side chain


Definition of side chain

: a shorter chain or group of atoms attached to a principal chain or to a ring in a molecule

Examples of side chain in a Sentence

Recent Examples on the Web

At that resolution, the researchers could make out the side chains of the virus’s proteins, which had been difficult to see in earlier images by other groups. Jaclyn Jeffrey-wilensky, STAT, "Researchers reveal the sharpest image to date of the Zika virus," 26 June 2018

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

First Known Use of side chain

1873, in the meaning defined above

Keep scrolling for more

Learn More about side chain

Statistics for side chain

Look-up Popularity

Time Traveler for side chain

The first known use of side chain was in 1873

See more words from the same year

Keep scrolling for more

More Definitions for side chain

side chain


Medical Definition of side chain

: a branched chain of atoms attached to the principal chain or to a ring in a molecule

More from Merriam-Webster on side chain Encyclopedia article about side chain

Comments on side chain

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


involving a confidence or trust

Get Word of the Day daily email!

Test Your Vocabulary

Word Puzzles

  • alt 57589b2b4c6a3
  • Which answer pairs best with each of the following words? living, estate, club, music, road, mile
Spell It

Can you spell these 10 commonly misspelled words?

Add Diction

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!