1. To make thinner or more liquid by admixture with something; to thin and dissolve by mixing. "Mix their watery store. With the chyle's current, and dilute it more." (Blackmore)

2. To diminish the strength, flavour, colour, etc, of, by mixing; to reduce, especially by the addition of water; to temper; to attenuate; to weaken. "Lest these colours should be diluted and weakened by the mixture of any adventitious light." (Sir I. Newton)

Origin: L. Dilutus, p. P. Of diluere to wash away, dilute; di- = dis- + luere, equiv. To lavare to wash, lave. See Lave, and cf. Deluge.

(01 Mar 1998)