oligoastrocytomaWiktionary 原文英美构词拆解oligooligo-前缀astroastro-前缀cytomacytoma词干oligo-few, severalastro-celestial bodies: fixed stars, wandering stars (planets), etc.; space; astronomy · Combining form of star.词源说明From oligo- + astro- + cytoma.释义名词noun1(medicine) A form of brain tumor that is a mixture of oligodendroglioma and astrocytoma