dissimilation

/'disimi'leiʃn/
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dissimilation

The linguist explained how dissimilation changed the word's pronunciation.

Definition
  1. Noun:
    • A phonological process in linguistics: The change in a sound to become less similar to another nearby sound in the same word, often to make pronunciation easier.
    • A biological or metabolic process: The breakdown of complex molecules into simpler ones within a living organism, releasing energy.
Examples of Usage
  • Noun (Linguistics):
    • The change from "pilgrim" (from Latin "peregrinus") involved a dissimilation of the first 'r' to an 'l'.
    • Dissimilation often occurs when two similar sounds are too close to each other.
  • Noun (Biology):
    • Cellular respiration is a key example of dissimilation, converting glucose into carbon dioxide and water.
    • The dissimilation of nutrients provides the energy necessary for life processes.
Advanced Usage
  • "Dissimilation of liquids": A specific type where 'l' and 'r' sounds influence each other.
    • A classic case of dissimilation of liquids is seen in the derivation of "purple" from Latin "purpura".
  • "Catabolic dissimilation": Refers specifically to the energy-releasing breakdown of substances in metabolism.
    • The catabolic dissimilation of fats yields more energy per gram than carbohydrates.
Variants and Related Words
  • Dissimilate (verb): To undergo or cause dissimilation.
    • The second 'r' in the word dissimilated to an 'l' over centuries.
  • Dissimilatory (adjective): Relating to or causing dissimilation.
    • The dissimilatory process in bacteria can reduce sulfate to sulfide.
Synonyms
  • Differentiation (for the linguistic sense, in a broader context).
  • Catabolism, Breakdown (for the biological sense).
Related Phrases
  • Dissimilation rule: A formal description of the sound change in phonology.
    • The linguist proposed a new dissimilation rule to explain the historical sound change.
Related Idioms

(This term is highly technical and is not commonly used in idiomatic expressions.)

dissimilation

The linguist explained how dissimilation changed the word's pronunciation.

Noun
  1. breakdown in living organisms of more complex substances into simpler ones together with release of energy
  2. a linguistic process by which one of two similar sounds in a word becomes less like the other
    • the Old French MARBRE became the English MARBLE by dissimilation

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