CONCAVE LENS
\kɒnkˈe͡ɪv lˈɛnz], \kɒnkˈeɪv lˈɛnz], \k_ɒ_n_k_ˈeɪ_v l_ˈɛ_n_z]\
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By Princeton University
By DataStellar Co., Ltd
By Willam Alexander Newman Dorland
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"