héliostat

== French == === Etymology === From hélio- +‎ -stat. === Pronunciation === (mute h) IPA(key): /e.ljɔs.ta/ === Noun === héliostat m (plural héliostats) heliostat === Further reading === “héliostat”, in Trésor de la langue française informatisé [Digitized Treasury of the French Language], 2012