赤い光弾ジリオン 番組解説と最終回 Program Guide and Final Episode for Red Photon Zillion

『ジリオン』のネーミングは「計り知れない数/膨大な無限に近い数字」という意味を持つ英語の“ZILLION”から転じて「未知なるもの」という意味に由来する。

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The name “Zillion” derives from the English word “ZILLION,” meaning “an immeasurable number/an enormous number approaching infinity,” and was adapted to signify “the unknown.”