héliosismologie

== French == === Etymology === From hélio- +‎ sismologie. === Pronunciation === (mute h) IPA(key): /e.ljo.sis.mɔ.lɔ.ʒi/ === Noun === héliosismologie f (plural héliosismologies) (astronomy) helioseismology === Further reading === “héliosismologie”, in Trésor de la langue française informatisé [Digitized Treasury of the French Language], 2012