[COUNTER- 2.] A counteracting agent or force; a counteractant.
1826–56. De Quincey, Confess. (1862), p. viii. The properties, counter-agents, &c., of this drug.
1868. Gladstone, Juv. Mundi, xi. (1870), 449. Reverence, that powerful principle, the counter-agent to all meanness and selfishness.
