igneo-aqueousadj.
Etymology: < igneo-, as combining form of Latin igneus igneous + aqueous adj.Previous versions of the OED give the stress as: igneo-ˈaqueous.
1882 1 215 We may look upon the state of igneoaqueous solution..as one in which the water-substance is in a gaseous state.
This entry has not yet been fully updated (first published 1899; most recently modified version published online June 2019).