thatcher effect

Fetched 2026-10-26 (cache).

Datamuse reports no synonyms or antonyms for this word.

Proper noun

1. The {{l|en|phenomenon}} whereby it is more difficult to detect {{l|en|local}} {{l|en|feature}} {{l|en|change|changes}} in an {{l|en|upside-down}} {{l|en|face}}, despite identical changes being obvious in an {{l|en|upright}} face.

Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.