ˌglīkō|sīə|mēn, -ˌsīˈamə̇n noun
Etymology: International Scientific Vocabulary glyc- + cy- (from cyan- ) + amine
: a crystalline amino acid NH 2 C( . NH)NHCH 2 COOH that is produced enzymatically in the animal body from glycine and arginine and that yields creatine on methylation — called also guanidoacetic acid