noun
gastric juice; stomach acid
Medical and everyday term for the digestive fluid secreted in the stomach.
胃液の分泌が多すぎると、胃が荒れることがある。
If too much gastric juice is secreted, it can irritate the stomach.
胃液には強い酸性がある。
Gastric juice is strongly acidic.
胃酸 specifically refers to the hydrochloric acid component of gastric juice, while 胃液 is the broader term for the entire digestive fluid.
Compound of 胃 (i, 'stomach') and 液 (eki, 'fluid, liquid').