- Equilibrium; an even distribution of weight.
- In epidemiology, a state of uncertainty as to the balance of benefits and harm that may result from two or more therapeutic regimens. A state of e. is an indication for a randomized controlled trial.
[equi- + M.E. poisen, weigh, fr. Fr. peser, fr. L.L. peso, fr. L. penso]
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Examples: glitazone, GI cocktail, etc.