variants or less commonly isophane
plural -s
: 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

Word History


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

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.

Start your free trial today and get unlimited access to America's largest dictionary, with:

  • More than 250,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

Dictionary Entries Near isophene

Cite this Entry

“Isophene.” Dictionary, Merriam-Webster, Accessed 21 Jul. 2024.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!