tr.v. di·lut·ed, di·lut·ing, di·lutes 1. To make thinner or less concentrated by adding a liquid such as water. 2. To lessen the force, strength, purity, or brilliance of, especially by admixture. 3. To decrease the value of (shares of stock) by increasing the total number of shares. adj. Weakened; diluted. [Latin dīluere, dīlūt- : dī-, dis-, apart, away; see DIS- + -luere, to wash (from lavere; see leu(ə)- in the Appendix of Indo-European roots).] di·luter, di·lutor n. di·lutive adj. |
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