noun
Meaning 1
A line (on a map, etc.) joining places where a particular biological phenomenon is exhibited in the same way, such as where plants flower at the same time (an isanthesic) or where the same proportion of clines is found.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: isophane
Antonyms: none provided