Vexillology, noun.
/ˌvɛksɪˈlɒlədʒi/
Definition (mass noun): The study of flags.
Examples:
1. It is the Internet's largest site devoted to vexillology (the study of flags).
2. Jack also enjoys vexillology and can signal Bible passages from memory in fluent semaphore.
3. For those interested in vexillology, there is an interesting website dealing with this topic for the former South Vietnam here.
4. I learned most of what I know about vexillology from Whitney, who is a good personal friend and mentor.
5. See how you fare with this quiz on vexillology (the study of flags and flag-related matters).
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