diluent
noun
dil·u·ent
ˈdil-yə-wənt 
-yü-ənt
: a diluting agent (such as the vehicle in a medicinal preparation)
Examples of diluent in a Sentence
Recent Examples on the Web
To create your own at home, substitute broth for the water or whatever diluent your recipe calls for.
—
Christina Montoya Fiedler, Better Homes & Gardens, 5 June 2023
The leak released about 30 barrels of diluent — used to dilute thick petroleum products for transport — into soil surrounding the line.
—Laura Schulte, Journal Sentinel, 9 Aug. 2022
If too little or too much diluent, or reagent, is used, even that can deliver a false negative or positive result.
—Megan Cerullo, CBS News, 4 Jan. 2022
Some formulations of the Pfizer vaccine must be mixed with a solution, or diluent.
—Catherine Ho, San Francisco Chronicle, 16 Nov. 2021
See All Example Sentences for diluent
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Christina Montoya Fiedler, Better Homes & Gardens, 5 June 2023
The leak released about 30 barrels of diluent — used to dilute thick petroleum products for transport — into soil surrounding the line.
—Laura Schulte, Journal Sentinel, 9 Aug. 2022
If too little or too much diluent, or reagent, is used, even that can deliver a false negative or positive result.
—Megan Cerullo, CBS News, 4 Jan. 2022
Some formulations of the Pfizer vaccine must be mixed with a solution, or diluent.
—Catherine Ho, San Francisco Chronicle, 16 Nov. 2021
See All Example Sentences for diluent
Cite this Entry
“Diluent.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/diluent. Accessed 4 Nov. 2025.
Copy CitationMedical Definition
diluent
1 of 2 noun
dil·u·ent
ˈdil-yə-wənt
: a diluting agent (as the vehicle in a medicinal preparation)
diluent
2 of 2 adjective
: making thinner or less concentrated by admixture : diluting
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