How Do You Spell COOLIDGE TUBE?

Correct spelling for the English word "Coolidge tube" is [kˈuːlɪd͡ʒ tjˈuːb], [kˈuːlɪd‍ʒ tjˈuːb], [k_ˈuː_l_ɪ_dʒ t_j_ˈuː_b] (IPA phonetic alphabet).