Definition of helioseismological in English:

helioseismological

adjective

Astronomy
  • Of or relating to helioseismology.

Origin

1980s; earliest use found in Nature: a weekly journal of science. From helio- + seismological, after helioseismology.

Pronunciation

helioseismological

/ˌhiːlɪəʊsʌɪzməˈlɒdʒɪkl/