ðə "lˈɪθətɹˌɑːf" pˈɑːɹt ʌvðə nˈeɪm ɹᵻfˈɜːz tə ðə fˈækt ðæt ðiːz ˈɔːɹɡənˌɪzəmz jˈuːs ˌɪnoːɹɡˈænɪk ˈɛlɪmənts slˈæʃ kˈɑːmpaʊndz æz ðɛɹ ᵻlˈɛktɹɑːn sˈoːɹs, wˌaɪl ðə "ˌɔːɾoʊtɹˈɑːf" pˈɑːɹt ʌvðə nˈeɪm ɹᵻfˈɜːz tə ðɛɹ kˈɑːɹbən sˈoːɹs bˌiːɪŋ sˌiːˈoʊ tˈuː.
The "lithotroph" part of the name refers to the fact that these organisms use inorganic elements/compounds as their electron source, while the "autotroph" part of the name refers to their carbon source being CO2.