English Reference
adjective

diluted

adj.
US /daɪˈɫutəd/ UK /daɪlˈuːtɪd/ di·lut·ed

  1. 01 B2 Upper Intermediate Science

    a liquid that is less strong because water or another liquid was added to it.

    referring to a solution that has been made thinner or less concentrated by the addition of a solvent, typically water.

    Simple

    The juice was too sweet, so I drank it diluted with plenty of water.

    In context

    The laboratory technician prepared a series of diluted solutions to determine the exact threshold at which the chemical reaction would cease.

    weakenedwatered downthin
    concentratedundilutedpure

That both cooled the tea to a refreshing drinking temperature and diluted it for a proper taste.

The Conversation· 24 Aug 2026

The researchers next tested diluted whole blood spiked with MCF-7 breast cancer cells.

Phys.org· 24 Aug 2026
This entry
Level B2 · Upper Intermediate
Frequency Frequent
Updated