COEFFICACY
\kˌə͡ʊˈɛfɪkəsi], \kˌəʊˈɛfɪkəsi], \k_ˌəʊ_ˈɛ_f_ɪ_k_ə_s_i]\
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"