noun iso·phene
variants: less commonly



Definition of isophene



  1. 1 :  a line on a map or chart connecting places within a region at which a particular biological phenomenon (as the flowering of a given plant) occurs at one time

  2. 2 :  phenocontour

Love words? You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Join MWU now and get access to America’s largest dictionary, with:

  • 300,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

Origin and Etymology of isophene

isophene from is- + -phene (from Greek phainein to show); isophane International Scientific Vocabulary is- + -phane (from Greek phainein to show) — more at fancy

Seen and Heard

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


a brief usually trivial fact

Get Word of the Day daily email!