放散虫 ほうさんちゅう Meanings Noun radiolarian Kanji 放 release. Read as ホウ. 散 scatter. Read as サン. 虫 insect. Read as チュウ. Words containing 放散虫 放散虫軟泥 (ほうさんちゅうなんでい) radiolarian ooze Jinuma: Japanese Dictionary · Word lists