The state or quality of being equally probable; the condition where all possible outcomes have the same likelihood of occurring.
From Latin 'equi-' (equal) + 'probabilitas' (probability). This technical term was formalized in probability mathematics during the 18th century.
Rolling a fair six-sided die demonstrates equiprobability perfectly—each number from 1-6 has exactly a 1/6 chance, which is why casinos care so much about dice being perfectly balanced!
Complete word intelligence in one call. Free tier — 50 lookups/day.