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  1. isomer love

Definitions

American Heritage® Dictionary of the English Language, Fourth Edition

  1. n. Chemistry Any of two or more substances that are composed of the same elements in the same proportions but differ in properties because of differences in the arrangement of atoms.
  2. n. Physics Any of two or more nuclei with the same mass number and atomic number that have different radioactive properties and can exist in any of several energy states for a measurable period of time.

Century Dictionary and Cyclopedia

  1. n. In chem., a compound that exhibits the properties of isomerism with reference to some other compound. Also isomeride.

Wiktionary

  1. n. chemistry Any of two or more compounds with the same molecular formula but with different structure.
  2. n. physics Any of two or more atomic nuclei with the same mass number and atomic number but with different radioactive properties.

GNU Webster's 1913

  1. n. (Chem.) A compound which is isomeric with another body or compound; a compound having the same chemical composition as another compound; a member of an isomeric series.

WordNet 3.0

  1. n. a compound that exists in forms having different arrangements of atoms but the same molecular weight

Etymologies

  1. iso- + -mer (Wiktionary)
  2. Greek īsomerēs, having equal share : īso-, iso- + meros, part, share; see (s)mer-2 in Indo-European roots. (American Heritage® Dictionary of the English Language, Fourth Edition)

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‘isomer’ has been looked up 1361 times, loved by 1 person, added to 10 lists, and has a Scrabble score of 8.