TETRAVALENT
\tˈɛtɹɐvˌe͡ɪlənt], \tˈɛtɹɐvˌeɪlənt], \t_ˈɛ_t_ɹ_ɐ_v_ˌeɪ_l_ə_n_t]\
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"