D defs.my
Entry 1 sense Webster, 1913

Isonephelic

· I·so·ne·phel·ic · IPA
01 a. Having, or indicating, an equal amount of cloudiness for a given period; as, isonephelic regions; an isonephelic line.
  1. 1.
    Having, or indicating, an equal amount of cloudiness for a given period; as, isonephelic regions; an isonephelic line.(Phys. Geog.)