NECTOSAC
\nˈɛktəsˌak], \nˈɛktəsˌak], \n_ˈɛ_k_t_ə_s_ˌa_k]\
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2010
- New Age Dictionary Database
By Oddity Software
1913
- Webster's Revised Unabridged Dictionary
By Noah Webster.
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