antacid Definition in the Cambridge English Dictionary
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Definition of “antacid” - English Dictionary

Definition of "antacid" - American English Dictionary

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antacidnoun [C/U]

 us   /æntˈæs·ɪd/
a ​medicine you can take to ​reduce or ​prevent the ​uncomfortablefeeling of having too much ​acid in the ​stomach
(Definition of antacid from the Cambridge Academic Content Dictionary © Cambridge University Press)

Definition of "antacid" - British English Dictionary

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antacidnoun [C or U]

uk   us   /ˌænˈtæs.ɪd/
a ​substance used to ​reduce or ​prevent acidcollecting in the ​body, ​especially in the ​stomach
(Definition of antacid from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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