patina
pa.ti.na \'pat-*-n*, p*-'te--n*\ \-n*z\ \'pat-*-.ne-, -.ni-\ n or pa.ti.nas or pa.ti.nae [NL, fr. L, shallow dish - more at PATEN] pl 1a: a usu. green film formed naturally on copper and bronze by long exposur e or artificially (as by acids) and often valued aesthetically for its color 1b: a surface appearance of something grown beautiful esp. with age or use 1c: an appearance or aura that is derived from association, habit, or estab lished character 2: PATEN