English Reference
verb · adjective

dilute

v. · adj.
US /daɪˈɫut/ UK /daɪlˈuːt/ di·lute UK spelling dilutes, diluting

  1. 01 B2 Upper Intermediate Science

    v.to make a liquid weaker or thinner by adding water or another liquid to it.

    v.to decrease the concentration of a solute in a solution by adding more solvent, typically water.

    Simple

    You should dilute the juice with some water if it tastes too sweet.

    In context

    The chemist had to dilute the concentrated acid carefully before using it in the experiment to ensure the reaction remained controlled.

    Usage

    Often used with the preposition 'with'.

  2. 02 B2 Upper Intermediate

    v.to make something like a feeling, an idea, or a power less strong or effective.

    v.to diminish the strength, intensity, or purity of something by adding limiting or conflicting elements.

    Simple

    Adding too many characters to the story might dilute the main message.

    In context

    The original proposal was so heavily amended by the committee that its primary purpose was effectively diluted.

  3. 03 C1 Advanced Technical

    v.to reduce the value of shares in a company by creating more of them.

    v.to reduce the proportional equity or earnings per share by increasing the total number of shares outstanding.

    Simple

    The company decided to issue new stock, which will dilute the existing shares.

    In context

    Existing investors were concerned that the secondary offering would significantly dilute their ownership stake in the firm.

    devalue
  4. 04 B2 Upper Intermediate Science

    adj.describes a liquid that has been made weaker or has a low concentration.

    adj.referring to a solution that contains a relatively small amount of solute compared to the solvent.

    Simple

    The doctor suggested using a dilute solution of salt and water to clean the wound.

    In context

    The experiment required a dilute hydrochloric acid to prevent a violent reaction with the metal shavings.


From Latin dīlūtus, from dīluere (“to wash away, dissolve, cause to melt, dilute”), from dī-, dis- (“away, apart”) + luere (“to wash”). See lave, and compare deluge.

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

This entry
Origin Latin dīlūtus
Level B2 · Upper Intermediate
Frequency Occasional
Updated