a line drawn on a map connecting all points where ice starts to form at approximately the same period at the onset of winter.

Nearby words

  1. isooctane,
  2. isopach,
  3. isopachous,
  4. isopag,
  5. isopathy,
  6. isopedin,
  7. isopentyl,
  8. isoperimeter,
  9. isoperimetry,
  10. isoperistaltic anastomosis

Origin of isopectic

iso- + -pectic < Greek pēktikós freezing; see pectic Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019