follow Dictionary.com

Dictionary.com's Word of the Year is...

substitution reaction

noun, Chemistry
1.
the replacement of an atom or group of atoms in a compound by another atom or group.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source

Word of the Day

Difficulty index for substitution reaction

Few English speakers likely know this word

Word Value for substitution

14
18
Scrabble Words With Friends

Quotes with substitution-reaction