noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   A phenomenon indicating that a particular technology is or was used by a particular society; (astrophysics, astrobiology) a phenomenon indicating that a particular technology is or was present in some place (for example, a phenomenon suggesting that a Dyson sphere might exist in a certain region of space).

Etymology

From techno- + signature.

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