Vocabulary What does 球菌 (きゅうきん, kyuukin) mean? 球菌 (きゅうきん, kyuukin) means coccus. Quick factsReadingきゅうきんRomajikyuukinPart of speechnoun, no-adjective 球菌きゅうきんkyuukincoccus1noun · no-adjective coccusKanji in this word球ball; sphere菌bacteria, mold
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