isopor

[ ahy-suh-pawr ]
/ ˈaɪ səˌpɔr /

noun

an imaginary line on the earth's surface connecting points of equal annual change in the declination, inclination, or other components of the earth's magnetic field.

Nearby words

  1. isoplastic,
  2. isoplastic graft,
  3. isopleth,
  4. isopod,
  5. isopolity,
  6. isoprecipitin,
  7. isoprene,
  8. isoprenoid,
  9. isopropanol,
  10. isopropyl

Origin of isopor

1930–35; iso- + -por < Greek póros path, pore2

Also called isoporic line.

Related formsi·so·por·ic, adjective

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019