neocyanine

[ nee-oh-sahy-uh-neen, -nin ]

noun

1. a dye used to make photographic emulsions sensitive to infrared radiation.

Word History and Origins

Origin of neocyanine¹

First recorded in 1975–80; neo- + cyanine

Example Sentences

Using film treated with neocyanine the solar spectrum has been photographed up to 11,634 angstrom units, far beyond red at 8,000 angstrom units, the longest visible wavelength. $1,000 Paper.

From Time Magazine Archive