noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   A persistent blue or cyanotic discoloration of the digits, most commonly occurring in the hands although also occurring in the face and feet as well. countable, uncountable
2. 2
   cyanosis of the extremities; can occur when a spasm of the blood vessels is caused by exposure to cold or by strong emotion wordnet

Synonyms

All synonyms

raynaud's sign

Etymology

From acro- + cyanosis.

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