Nantoka/위산wisan위산 (wisan) is a Korean word meaning “stomach acid”.Meanings1stomach acidPart of speechnounHanja胃酸Related words비위appetite위stomach위암stomach cancer위염gastritis산성acidity산성비acid rain산소oxygen탄산음료soda위액gastric juice위궤양stomach ulcer위경련stomach cramp위장stomach and intestinesStudy Korean with flashcards →