COUNTEREXTENSION

\kˈa͡ʊntəɹɪkstˌɛnʃən], \kˈa‍ʊntəɹɪkstˌɛnʃən], \k_ˈaʊ_n_t_ə_ɹ_ɪ_k_s_t_ˌɛ_n_ʃ_ə_n]\
Sort: Oldest first
 
1898 - American pocket medical dictionary
By Willam Alexander Newman Dorland
 
1916 - Appleton's medical dictionary
By Smith Ely Jelliffe