signaletic
/sɪɡnəˈlɛtɪk/adjective
Of or relating to data used for the criminal identification system Bertillonage. Now historical.
Origin
Mid 19th century (in an earlier sense). In sense 1 either irregularly from sign + -al + -etic, or perhaps from signal + -etic; perhaps compare French signalétique containing a description of a thing, marking a thing.