wai6 syun1胃酸

Jyutpingwai6 syun1
Yalewaih syūn
名詞Uncommon

Definition

Stomach acid; the acidic fluid in the stomach, primarily consisting of hydrochloric acid.

neutralhealthbody

How it's used

Refers specifically to the digestive juices in the stomach, often appearing in medical or health contexts. It is frequently paired with verbs like 倒流 to describe the sensation of acid rising into the esophagus. While it is a technical term, it is commonly used by laypeople when describing indigestion or heartburn to a doctor or pharmacist.

Examples

It is very uncomfortable to have acid reflux after eating.
Is your stomach pain caused by having too much stomach acid?

Common phrases

excess stomach acid

Common mistake

Do not confuse this with the general feeling of nausea or stomach upset, which is usually described as 胃唔舒服 or 胃痛. Using 胃酸 to describe any kind of general stomach pain is imprecise.

Grammar color guide

Noun
Verb
Adjective
Adverb
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Particle
Connector