NITROUS OXID

\nˈa͡ɪtɹəs ˈɒksɪd], \nˈa‍ɪtɹəs ˈɒksɪd], \n_ˈaɪ_t_ɹ_ə_s ˈɒ_k_s_ɪ_d]\
Sort: Oldest first
 
1898 - American pocket medical dictionary
By Willam Alexander Newman Dorland
 
1916 - Appleton's medical dictionary
By Smith Ely Jelliffe