glycin

noun

1. (countable, uncountable)A phenolic derivative of glycine, N-(4-hydroxyphenyl)glycine, used as a photographic developer.

   “Glycin is a versatile paper developer that produces a strong, deep black on bromide papers and brown to sepia tones on warm-tone chloride and chlorobromide papers.”

   “Glycin immersed in LN₂ formed an amorphous product. Upon heating to –65 °C an unidentified crystalline phase of glycin was observed, which transformed at ≈ 55 °C to 2-glycin.”

   “Glycin developers are non-staining and have exceptionally good keeping properties, but are too slow in action for general use.”

2. (alt-of, countable, misspelling, uncountable)Misspelling of glycine.

   “The level of glycin (Table 4) in the serum and the plasma of autistic patients does not show consistent changes.”