English Lexicon

Antacid

/ænˈtæs.ɪd/
nounCEFR B2 (Upper)Top #1500 frequency
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Comprehensive Definitions & Senses

2 senses
As noun
  1. 1

    A substance that counteracts acidity, especially in the stomach.

    "After eating a spicy meal, she took an antacid to relieve her heartburn."
  2. 2

    A type of medication used to treat indigestion and heartburn by neutralizing stomach acid.

    "The doctor recommended an antacid to help with his digestive issues."

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Antonyms & Contrasting Words (1)

Linguistic Origin & Historical Etymology

The term 'antacid' is derived from the prefix 'anti-', meaning 'against', and 'acid', which comes from the Latin 'acidus', meaning 'sour'. The word emerged in the early 20th century as a descriptor for substances that neutralize stomach acidity.

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