PROTOTROCH

\pɹˈə͡ʊtə͡ʊtɹˌə͡ʊk], \pɹˈə‍ʊtə‍ʊtɹˌə‍ʊk], \p_ɹ_ˈəʊ_t_əʊ_t_ɹ_ˌəʊ_k]\
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1920 - A dictionary of scientific terms.
By Henderson, I. F.; Henderson, W. D.
 
1920 - A dictionary of scientific terms (6th edition)
By J.H. Kenneth

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"
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