STEPPING STONE
\stˈɛpɪŋ stˈə͡ʊn], \stˈɛpɪŋ stˈəʊn], \s_t_ˈɛ_p_ɪ_ŋ s_t_ˈəʊ_n]\
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By Princeton University
By DataStellar Co., Ltd
By William Hand Browne, Samuel Stehman Haldeman
Word of the day
Quinones
- Hydrocarbon rings which contain two moieties position. They can be substituted in any position except at the ketone groups.