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heptakaidecagon

noun
hep·​ta·​kai·​decagon | \ ¦heptəˌkī+\
plural -s

Definition of heptakaidecagon

: a plane polygon having seventeen angles and therefore seventeen sides

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History and Etymology for heptakaidecagon

Greek heptakaideka seventeen (from hepta- + kai and + deka ten) + English -gon

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