ATRIOVENTRICULAR VALVE
\ˌatɹɪˌə͡ʊvɪntɹˈɪkjʊlə vˈalv], \ˌatɹɪˌəʊvɪntɹˈɪkjʊlə vˈalv], \ˌa_t_ɹ_ɪ__ˌəʊ_v_ɪ_n_t_ɹ_ˈɪ_k_j_ʊ_l_ə v_ˈa_l_v]\
Word of the day
dust storm
- a windstorm that lifts up clouds of dust or sand a windstorm that lifts up clouds dust or sand; "it was the kind of duster not experienced in years"