vexillology
vex il lol o gy |ˌveksəˈläləjē ˌvɛksəˈlɑləʤi | ▶noun the study of flags. DERIVATIVES vex il lo log i cal |-ləˈläjikəl |adjective, vex il lol o gist |-jist |noun ORIGIN 1950s: from Latin vexillum ‘flag ’ + -logy .
vexillology |ˌvɛksɪˈlɒlədʒi | ▶noun [ mass noun ] the study of flags. DERIVATIVES vexillological |-ləˈlɒdʒɪk (ə )l |adjective, vexillologist noun ORIGIN 1950s: from Latin vexillum ‘flag ’ + -logy .