n.
Pronunciation: ˌ s ī - ə - ' n ō -s ə s
Function: noun
Etymology: New Latin, from Greek kyan ō sis dark blue color, from kyanos
Date: 1834
: a bluish or purplish discoloration (as of skin) due to deficient oxygenation of the blood
– cy · a · not · ic \ - ' nä-tik \ adjective