noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   An actin-binding protein involved in the dynamic turnover and restructuring of the actin cytoskeleton, found in all eukaryotic organisms in most cells. countable, uncountable

Etymology

From profilamentous + -in.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.