† monogenn.
Origin: Formed within English, by compounding. Etymons: mono- comb. form, -gen comb. form.
Etymology: < mono- comb. form + -gen comb. form. Compare monogenic adj.1 N.E.D. (1907) gives the pronunciation as (mǫ·nŏdʒen) /ˈmɒnədʒɛn/.
Chemistry.
Obsolete.
1868 H. B. Jones & H. Watts (ed. 10) II. 240 All other elements are polygenic, uniting with the monogens.
This entry has been updated (OED Third Edition, December 2002; most recently modified version published online June 2018).