dissimilation noun. [,dɪsɪmɪ'leɪʃ(ǝ)n] M19.
[from DISSIMILATE after ASSIMILATION.]
1. The action of making dissimilar; the process of becoming dissimilar. M19.

2. spec. (Linguistics) The differentiation of two identical sounds occurring near each other in a word by the change of one of them, as purple from Old English purpuran. L19.

3. Biology. Destructive metabolism, catabolism. L19.

[TahlilGaran] English Dictionary ▲