diluent

noun

dil·​u·​ent ˈdil-yə-wənt How to pronounce diluent (audio)
-yü-ənt
: a diluting agent (such as the vehicle in a medicinal preparation)

Example Sentences

Recent Examples on the Web 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 Over-the-counter antigen tests from manufacturers including Abbott Labs and Quidel contain a diluent that users are instructed to mix with a sample collected from a nasal swab. Megan Cerullo, CBS News, 4 Jan. 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 Depending on what formulation Pfizer produces pediatric doses in, that might require adding a different amount of diluent to each injection or using a different vial or syringe. Compiled Democrat-gazette Staff From Wire Reports, Arkansas Online, 8 Oct. 2021 Depending on what formulation Pfizer produces pediatric doses in, that might require adding a different amount of diluent to each injection or using a different vial or syringe. Compiled Democrat-gazette Staff From Wire Reports, Arkansas Online, 8 Oct. 2021 Depending on what formulation Pfizer produces pediatric doses in, that might require adding a different amount of diluent to each injection or using a different vial or syringe. Compiled Democrat-gazette Staff From Wire Reports, Arkansas Online, 8 Oct. 2021 Some formulations of the Pfizer vaccine must be mixed with a solution, or diluent. Catherine Ho, San Francisco Chronicle, 16 Nov. 2021 Depending on what formulation Pfizer produces pediatric doses in, that might require adding a different amount of diluent to each injection or using a different vial or syringe. Compiled Democrat-gazette Staff From Wire Reports, Arkansas Online, 8 Oct. 2021 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'diluent.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Word History

Etymology

Latin diluent-, diluens, present participle of diluere

First Known Use

circa 1721, in the meaning defined above

Time Traveler
The first known use of diluent was circa 1721

Dictionary Entries Near diluent

Cite this Entry

“Diluent.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/diluent. Accessed 30 Mar. 2023.

Medical Definition

diluent

1 of 2 noun
dil·​u·​ent ˈdil-yə-wənt How to pronounce diluent (audio)
: 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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