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heliometer meaning in French

EnglishFrench
heliometer (astronomical instrument for measuring the diameter of the sun)
noun
[UK: hˌelɪˈɒmɪtə]
[US: hˌelɪˈɑːmɪɾɚ]

héliomètre◼◼◼nom {m}

pyrheliometer [pyrheliometers] (measuring device)
noun
[UK: pˌɪrhɪlɪˈɒmɪtə]
[US: pˌɪrhɪlɪˈɑːmɪɾɚ]

pyrhéliomètre◼◼◼nom {m}