noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   The activation of something by another entity that has a spatial relationship with it
2. 2
   The activation of a gene by the presence of another at a different locus, especially following infection by a virus

Etymology

From trans- + activation.

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