stomach acid; gastric acid
Medical and everyday term for the acidic digestive fluid in the stomach.
胃酸が逆流して胸やけがする。
Stomach acid flows back up and causes heartburn.
胃酸の分泌を
I'm taking medicine to reduce stomach acid secretion.
acid reflux
gastric achlorhydria
gastric hyperacidity
Compound of 胃 (stomach) and 酸 (acid).