counter-ponderantadj.
Etymology: counter- prefix 2b; as if < a Latin contra-ponderāre to weight against.Previous versions of the OED give the stress as: counter-ˈponderant.
1824 10 28 The equipoise of the system required a counter-ponderant continent in the southern ocean.
This entry has not yet been fully updated (first published 1893; most recently modified version published online March 2022).