noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   The growth of filaments. countable, uncountable
2. 2
   An anomalous growth of certain bacteria in which they continue to elongate but do not divide. countable, uncountable

Etymology

From filament + -ation.

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