Meaning of diluent in English:


Pronunciation /ˈdɪljʊənt/


  • A substance used to dilute something.

    ‘Quantitative information concerning the concentrations of the pigments and diluents comprising the inks was not provided.’
    • ‘There's no problem about getting a silver content done, but he might get curious about why I need all the extra info on diluents and trace metals.’
    • ‘It may contain any of the diluents, with the exception of starch, permitted for powdered extracts.’
    • ‘The trick is to control the density of these groups by adding a hydrocarbon diluent to the monomer mix.’
    • ‘The vaccine diluent is 50 percent glycerin with a small amount of phenol.’


  • Acting to cause dilution.

    ‘An additional three mice served as diluent control animals, with an equal volume of methanol added to the reservoir at the same time point.’
    • ‘Salts and PDB above diluent threshold concentrations inhibit the effect of antimicrobial peptides on the germination of conidia, therefore all these quantitative assays were performed in a 50-fold diluted modified PDB.’
    • ‘In the majority of studies comparing the effects of seminal plasma and diluent composition on post-storage motility of stallion spermatozoa, no fertility trials were conducted.’
    • ‘Finally, we note that we have not considered possible thermodynamic factors related to the presence of the diluent glycerol influencing protein stabilization.’
    • ‘Lidocaine is sometimes used along with other injectable medications as the diluent solution to provide local anesthesia.’


Early 18th century (denoting a medicine used to increase the proportion of water in the blood): from Latin diluent- ‘dissolving’, from the verb diluere.