FOOTHOLD
\fˈʊthə͡ʊld], \fˈʊthəʊld], \f_ˈʊ_t_h_əʊ_l_d]\
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By DataStellar Co., Ltd
By William Dodge Lewis, Edgar Arthur Singer
By Daniel Lyons
By James Champlin Fernald
Word of the day
ammonium chlorid
- Sal ammoniac, NH4CI, found native volcanic regions small quantities sea water and formed artificially by the direct combination of ammonia hydrochloric acid gas. Used in bronchitis.