VALIDATION
\vˌalɪdˈe͡ɪʃən], \vˌalɪdˈeɪʃən], \v_ˌa_l_ɪ_d_ˈeɪ_ʃ_ə_n]\
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By Princeton University
By DataStellar Co., Ltd
Word of the day
tube well
- a well made by driving tube into the earth to stratum that bears water