D defs.my
Entry 1 sense Webster, 1913

Cyanine

/(s?"?-n?n [or] -n?n; 104)/ · Cy·a·nine · IPA
01 n. One of a series of artificial blue or red dyes obtained from quinoline and lepidine and used in calico printing.
  1. 1.
    One of a series of artificial blue or red dyes obtained from quinoline and lepidine and used in calico printing.(Chem.)