The phrase "battery acid" refers to a liquid substance found inside batteries that is strong and can cause harm or damage if it comes into contact with someone or something.
Sentences with «battery acid»
And I hate their cold, stale breakfast foods and coffee that tastes like battery acid. (lawsofbliss.com)
But the pH remains between 0 and 2 — approximately the same level of acidity as battery acid. (sciencedaily.com)
One should not throw battery acid into the ocean. (firstthings.com)