Wag·ner rearrangement | \ ˈvägnə(r)- \
variants:
or Wagner-Meerwein rearrangement \ -ˈmerˌvīn- \
Definition of Wagner rearrangement
: a reaction that is applicable especially to organic compounds containing a neopentyl or similar grouping, that is thought to proceed by way of a carbonium ion, and that involves change of the carbon skeleton (as from pinene to bornyl chloride by hydrogen chloride, from neopentyl iodide to tert-amyl acetate by silver acetate, or from methyl-tert-butyl-carbinol to tetramethyl-ethylene by acids) — compare pinacolone
Keep scrolling for more
Test Your Vocabulary
Slippery Words Quiz—Changing with the Times
- What is an earlier meaning of nice?

Test your knowledge - and maybe learn something along the way.
TAKE THE QUIZ
A daily challenge for crossword fanatics.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridgedWords at Play
Ask the Editors
Word Games
Slippery Words Quiz—Changing with the Times
Do you know these earlier meanings of words?
Take the quizWords of Snow and Ice Quiz
A selection of words from the chillier parts of t...
Take the quizTrue or False?
Test your knowledge - and maybe learn something a...
Take the quizWord Winder's CrossWinder Play the game
Share Wagner rearrangement