manganesianadj.
/maŋɡəˈniːzɪən/, /maŋɡəˈniːʒn/, U.S. /ˌmæŋɡəˈniʒən/, /ˌmæŋɡəˈniziən/ Mineralogy.
Relating to manganese; (of a mineral or rock) containing manganese.
ΚΠ
1788 J. H. de Magellan Cronstedt's Ess. Syst. Mineral. (new ed.) II. 853 This powdery manganesian ore.
1837 J. T. Smith tr. L. J. Vicat Pract. & Sci. Treat. Mortars & Cements 2 The argillaceous, magnesian,..manganesian [etc., varieties of limestone].
1887 J. D. Dana Man. Mineral. & Petrogr. (ed. 4) 224 Manganbrucite is a manganesian variety.
1970 Jrnl. & Proc. Royal Soc. New S. Wales 103 14/2 The rarer manganesian stalactites are confined to the more lithic sandstones in the middle of the Narrabeen Group.
This entry has been updated (OED Third Edition, September 2000; most recently modified version published online March 2022).
<
adj.1788