An intermediate-mass black hole (IMBH) is a class of black hole with mass in the range 10^2–10^5 solar masses: significantly more than stellar black holes but less than the 10^5–10^9 solar mass supermassive black holes.(中等质量黑洞 (IMBH) 是一类质量在 10^2–10^5 太阳质量范围内的黑洞:明显大于恒星黑洞但小于 10^5–10^9 太阳质量的超大质量黑洞)