tribasic
adjective
tri·ba·sic
(ˌ)trī-ˈbā-sik 
: having three replaceable hydrogen atoms
—used of acids
Examples of tribasic in a Sentence
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Each serving of 2 gummies contains 500 mg tribasic calcium phosphate, 1000 IU vitamin D, and 230 mg of phosphorus, which work in harmony for bone strengthening.
—
Casey Seiden, Ms Rdn Cdn Cdces, Verywell Health, 12 Mar. 2023
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Casey Seiden, Ms Rdn Cdn Cdces, Verywell Health, 12 Mar. 2023
Cite this Entry
“Tribasic.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/tribasic. Accessed 3 Nov. 2025.
Copy CitationMedical Definition
tribasic
adjective
tri·ba·sic
(ˈ)trī-ˈbā-sik
1
: having three replaceable hydrogen atoms
—used of acids
2
: containing three atoms of a monovalent metal or their equivalent
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