dissimilative

verb (used with object), dis·sim·i·lat·ed, dis·sim·i·lat·ing. Phonetics.

1. to modify by dissimilation.

verb

1. to make or become dissimilar
2. (usually foll by to) phonetics to change or displace (a consonant) or (of a consonant) to be changed to or displaced by (another consonant) so that its manner of articulation becomes less similar to a speech sound in the same word. Thus (r) in the final syllable of French marbre is dissimilated to (l) in its English form marble