Nantoka/宙zhòu宙 (zhòu) is a Chinese word meaning “eternity; (geology) eon”.Meanings1eternity2(geology) eonRelated words宇宙universe; cosmos; space宙斯Zeus宇宙飞船spaceship; spacecraft宇宙射线cosmic ray元宇宙(computing) metaverse多元宇宙multiverse (cosmology)宇宙学cosmology宇宙线cosmic ray宇宙观world view; conception of the universe宇宙速度escape velocity平行宇宙parallel universe隐生宙CryptozoicStudy Chinese with flashcards →