† metacetonaten.
Origin: Formed within English, by derivation. Etymons: metacetone n., -ate suffix4.
Etymology: < metacetone n. + -ate suffix4. Compare metacetonic adj.
Chemistry.
Obsolete.
1848 3 388 The crystals dried over sulphuric acid in vacuo had the composition of metacetonate of silver.
1848 W. T. Brande (ed. 6) 1733 Metacetonate of soda.
This entry has been updated (OED Third Edition, December 2001; most recently modified version published online September 2018).