isomer

play
noun iso·mer \ˈī-sə-mər\

Definition of isomer

  1. 1 :  one of two or more compounds, radicals, or ions that contain the same number of atoms of the same elements but differ in structural arrangement and properties

  2. 2 :  a nuclide isomeric with one or more others

Origin and Etymology of isomer

International Scientific Vocabulary, back-formation from isomeric


First Known Use: 1855


Medical Dictionary

isomer

play
noun iso·mer \ˈī-sə-mər\

Medical Definition of isomer

  1. 1:  any of two or more compounds, radicals, or ions that contain the same number of atoms of the same elements but differ in structural arrangement and properties

  2. 2:  a nuclide isomeric with one or more others


Learn More about isomer


Seen and Heard

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

WORD OF THE DAY

a harsh rebuke

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

  • hot-dog--hot-dog--hot-dog--hot-dog-cat
  • Which of the following words is not a synonym for ‘a young person’?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ