OBLIGATE ANAEROBE

\ˈɒblɪɡˌe͡ɪt ˈane͡əɹˌə͡ʊb], \ˈɒblɪɡˌe‍ɪt ˈane‍əɹˌə‍ʊb], \ˈɒ_b_l_ɪ_ɡ_ˌeɪ_t ˈa_n_eə_ɹ_ˌəʊ_b]\
Sort: Oldest first
 
2006 - WordNet 3.0
By Princeton University
 
2011 - English Dictionary Database
By DataStellar Co., Ltd
 
1920 - A practical medical dictionary.
By Stedman, Thomas Lathrop