WordReference Random House Unabridged Dictionary of American English © 2026
mor•phal•lax•is
(môr′fə lak′sis),USA pronunciation n., pl. -lax•es
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(-lak′sēz).USA pronunciation
- Invertebrates, Developmental Biology[Biol.]the regeneration of a destroyed body part by the reorganization of its remaining cells.
- 1900–05; morph- + Greek állaxis exchange, barter (compare allássein to change, exchange, ultimately derivative of állos other, allo-); coined by T. H. Morgan